2131990000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 300

約数和(自身を含む): 6348124200

約数和(自身を除く): 4216134200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 125, 133, 140, 152, 175, 190, 196, 200, 229, 245, 250, 266, 280, 304, 350, 380, 392, 400, 458, 475, 490, 500, 532, 560, 625, 665, 700, 760, 784, 875, 916, 931, 950, 980, 1000, 1064, 1145, 1225, 1250, 1330, 1400, 1520, 1603, 1750, 1832, 1862, 1900, 1960, 2000, 2128, 2290, 2375, 2450, 2500, 2660, 2800, 3206, 3325, 3500, 3664, 3724, 3800, 3920, 4351, 4375, 4580, 4655, 4750, 4900, 5000, 5320, 5725, 6125, 6412, 6650, 7000, 7448, 7600, 8015, 8702, 8750, 9160, 9310, 9500, 9800, 10000, 10640, 11221, 11450, 11875, 12250, 12824, 13300, 14000, 14896, 16030, 16625, 17404, 17500, 18320, 18620, 19000, 19600, 21755, 22442, 22900, 23275, 23750, 24500, 25648, 26600, 28625, 30457, 30625, 32060, 33250, 34808, 35000, 37240, 38000, 40075, 43510, 44884, 45800, 46550, 47500, 49000, 53200, 56105, 57250, 60914, 61250, 64120, 66500, 69616, 70000, 74480, 80150, 83125, 87020, 89768, 91600, 93100, 95000, 98000, 108775, 112210, 114500, 116375, 121828, 122500, 128240, 133000, 143125, 152285, 160300, 166250, 174040, 179536, 186200, 190000, 200375, 213199, 217550, 224420, 229000, 232750, 243656, 245000, 266000, 280525, 286250, 304570, 320600, 332500, 348080, 372400, 400750, 426398, 435100, 448840, 458000, 465500, 487312, 490000, 543875, 561050, 572500, 581875, 609140, 641200, 665000, 761425, 801500, 852796, 870200, 897680, 931000, 1001875, 1065995, 1087750, 1122100, 1145000, 1163750, 1218280, 1330000, 1402625, 1522850, 1603000, 1705592, 1740400, 1862000, 2003750, 2131990, 2175500, 2244200, 2290000, 2327500, 2436560, 2719375, 2805250, 3045700, 3206000, 3411184, 3807125, 4007500, 4263980, 4351000, 4488400, 4655000, 5329975, 5438750, 5610500, 6091400, 7013125, 7614250, 8015000, 8527960, 8702000, 9310000, 10659950, 10877500, 11221000, 12182800, 14026250, 15228500, 16030000, 17055920, 19035625, 21319900, 21755000, 22442000, 26649875, 28052500, 30457000, 38071250, 42639800, 43510000, 53299750, 56105000, 60914000, 76142500, 85279600, 106599500, 112210000, 133249375, 152285000, 213199000, 266498750, 304570000, 426398000, 532997500, 1065995000, 2131990000]

約数ペア:

[(1, 2131990000), (2, 1065995000), (4, 532997500), (5, 426398000), (7, 304570000), (8, 266498750), (10, 213199000), (14, 152285000), (16, 133249375), (19, 112210000), (20, 106599500), (25, 85279600), (28, 76142500), (35, 60914000), (38, 56105000), (40, 53299750), (49, 43510000), (50, 42639800), (56, 38071250), (70, 30457000), (76, 28052500), (80, 26649875), (95, 22442000), (98, 21755000), (100, 21319900), (112, 19035625), (125, 17055920), (133, 16030000), (140, 15228500), (152, 14026250), (175, 12182800), (190, 11221000), (196, 10877500), (200, 10659950), (229, 9310000), (245, 8702000), (250, 8527960), (266, 8015000), (280, 7614250), (304, 7013125), (350, 6091400), (380, 5610500), (392, 5438750), (400, 5329975), (458, 4655000), (475, 4488400), (490, 4351000), (500, 4263980), (532, 4007500), (560, 3807125), (625, 3411184), (665, 3206000), (700, 3045700), (760, 2805250), (784, 2719375), (875, 2436560), (916, 2327500), (931, 2290000), (950, 2244200), (980, 2175500), (1000, 2131990), (1064, 2003750), (1145, 1862000), (1225, 1740400), (1250, 1705592), (1330, 1603000), (1400, 1522850), (1520, 1402625), (1603, 1330000), (1750, 1218280), (1832, 1163750), (1862, 1145000), (1900, 1122100), (1960, 1087750), (2000, 1065995), (2128, 1001875), (2290, 931000), (2375, 897680), (2450, 870200), (2500, 852796), (2660, 801500), (2800, 761425), (3206, 665000), (3325, 641200), (3500, 609140), (3664, 581875), (3724, 572500), (3800, 561050), (3920, 543875), (4351, 490000), (4375, 487312), (4580, 465500), (4655, 458000), (4750, 448840), (4900, 435100), (5000, 426398), (5320, 400750), (5725, 372400), (6125, 348080), (6412, 332500), (6650, 320600), (7000, 304570), (7448, 286250), (7600, 280525), (8015, 266000), (8702, 245000), (8750, 243656), (9160, 232750), (9310, 229000), (9500, 224420), (9800, 217550), (10000, 213199), (10640, 200375), (11221, 190000), (11450, 186200), (11875, 179536), (12250, 174040), (12824, 166250), (13300, 160300), (14000, 152285), (14896, 143125), (16030, 133000), (16625, 128240), (17404, 122500), (17500, 121828), (18320, 116375), (18620, 114500), (19000, 112210), (19600, 108775), (21755, 98000), (22442, 95000), (22900, 93100), (23275, 91600), (23750, 89768), (24500, 87020), (25648, 83125), (26600, 80150), (28625, 74480), (30457, 70000), (30625, 69616), (32060, 66500), (33250, 64120), (34808, 61250), (35000, 60914), (37240, 57250), (38000, 56105), (40075, 53200), (43510, 49000), (44884, 47500), (45800, 46550)]