290966000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 825447168

約数和(自身を除く): 534481168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 31, 38, 40, 50, 52, 62, 65, 76, 80, 95, 100, 104, 124, 125, 130, 152, 155, 190, 200, 208, 247, 248, 250, 260, 304, 310, 325, 361, 380, 400, 403, 475, 494, 496, 500, 520, 589, 620, 650, 722, 760, 775, 806, 950, 988, 1000, 1040, 1178, 1235, 1240, 1300, 1444, 1520, 1550, 1612, 1625, 1805, 1900, 1976, 2000, 2015, 2356, 2375, 2470, 2480, 2600, 2888, 2945, 3100, 3224, 3250, 3610, 3800, 3875, 3952, 4030, 4693, 4712, 4750, 4940, 5200, 5776, 5890, 6175, 6200, 6448, 6500, 7220, 7600, 7657, 7750, 8060, 9025, 9386, 9424, 9500, 9880, 10075, 11191, 11780, 12350, 12400, 13000, 14440, 14725, 15314, 15500, 16120, 18050, 18772, 19000, 19760, 20150, 22382, 23465, 23560, 24700, 26000, 28880, 29450, 30628, 30875, 31000, 32240, 36100, 37544, 38000, 38285, 40300, 44764, 45125, 46930, 47120, 49400, 50375, 55955, 58900, 61256, 61750, 62000, 72200, 73625, 75088, 76570, 80600, 89528, 90250, 93860, 98800, 100750, 111910, 117325, 117800, 122512, 123500, 144400, 145483, 147250, 153140, 161200, 179056, 180500, 187720, 191425, 201500, 223820, 234650, 235600, 247000, 279775, 290966, 294500, 306280, 361000, 375440, 382850, 403000, 447640, 469300, 494000, 559550, 581932, 586625, 589000, 612560, 722000, 727415, 765700, 806000, 895280, 938600, 957125, 1119100, 1163864, 1173250, 1178000, 1398875, 1454830, 1531400, 1877200, 1914250, 2238200, 2327728, 2346500, 2797750, 2909660, 3062800, 3637075, 3828500, 4476400, 4693000, 5595500, 5819320, 7274150, 7657000, 9386000, 11191000, 11638640, 14548300, 15314000, 18185375, 22382000, 29096600, 36370750, 58193200, 72741500, 145483000, 290966000]

約数ペア:

[(1, 290966000), (2, 145483000), (4, 72741500), (5, 58193200), (8, 36370750), (10, 29096600), (13, 22382000), (16, 18185375), (19, 15314000), (20, 14548300), (25, 11638640), (26, 11191000), (31, 9386000), (38, 7657000), (40, 7274150), (50, 5819320), (52, 5595500), (62, 4693000), (65, 4476400), (76, 3828500), (80, 3637075), (95, 3062800), (100, 2909660), (104, 2797750), (124, 2346500), (125, 2327728), (130, 2238200), (152, 1914250), (155, 1877200), (190, 1531400), (200, 1454830), (208, 1398875), (247, 1178000), (248, 1173250), (250, 1163864), (260, 1119100), (304, 957125), (310, 938600), (325, 895280), (361, 806000), (380, 765700), (400, 727415), (403, 722000), (475, 612560), (494, 589000), (496, 586625), (500, 581932), (520, 559550), (589, 494000), (620, 469300), (650, 447640), (722, 403000), (760, 382850), (775, 375440), (806, 361000), (950, 306280), (988, 294500), (1000, 290966), (1040, 279775), (1178, 247000), (1235, 235600), (1240, 234650), (1300, 223820), (1444, 201500), (1520, 191425), (1550, 187720), (1612, 180500), (1625, 179056), (1805, 161200), (1900, 153140), (1976, 147250), (2000, 145483), (2015, 144400), (2356, 123500), (2375, 122512), (2470, 117800), (2480, 117325), (2600, 111910), (2888, 100750), (2945, 98800), (3100, 93860), (3224, 90250), (3250, 89528), (3610, 80600), (3800, 76570), (3875, 75088), (3952, 73625), (4030, 72200), (4693, 62000), (4712, 61750), (4750, 61256), (4940, 58900), (5200, 55955), (5776, 50375), (5890, 49400), (6175, 47120), (6200, 46930), (6448, 45125), (6500, 44764), (7220, 40300), (7600, 38285), (7657, 38000), (7750, 37544), (8060, 36100), (9025, 32240), (9386, 31000), (9424, 30875), (9500, 30628), (9880, 29450), (10075, 28880), (11191, 26000), (11780, 24700), (12350, 23560), (12400, 23465), (13000, 22382), (14440, 20150), (14725, 19760), (15314, 19000), (15500, 18772), (16120, 18050)]