389601800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 1097072640

約数和(自身を除く): 707470840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 47, 50, 56, 62, 70, 94, 100, 124, 140, 155, 175, 188, 191, 200, 217, 235, 248, 280, 310, 329, 350, 376, 382, 434, 470, 620, 658, 700, 764, 775, 868, 940, 955, 1085, 1175, 1240, 1316, 1337, 1400, 1457, 1528, 1550, 1645, 1736, 1880, 1910, 2170, 2350, 2632, 2674, 2914, 3100, 3290, 3820, 4340, 4700, 4775, 5348, 5425, 5828, 5921, 6200, 6580, 6685, 7285, 7640, 8225, 8680, 8977, 9400, 9550, 10199, 10696, 10850, 11656, 11842, 13160, 13370, 14570, 16450, 17954, 19100, 20398, 21700, 23684, 26740, 29140, 29605, 32900, 33425, 35908, 36425, 38200, 40796, 41447, 43400, 44885, 47368, 50995, 53480, 58280, 59210, 62839, 65800, 66850, 71816, 72850, 81592, 82894, 89770, 101990, 118420, 125678, 133700, 145700, 148025, 165788, 179540, 203980, 207235, 224425, 236840, 251356, 254975, 267400, 278287, 291400, 296050, 314195, 331576, 359080, 407960, 414470, 448850, 502712, 509950, 556574, 592100, 628390, 828940, 897700, 1019900, 1036175, 1113148, 1184200, 1256780, 1391435, 1570975, 1657880, 1795400, 1948009, 2039800, 2072350, 2226296, 2513560, 2782870, 3141950, 3896018, 4144700, 5565740, 6283900, 6957175, 7792036, 8289400, 9740045, 11131480, 12567800, 13914350, 15584072, 19480090, 27828700, 38960180, 48700225, 55657400, 77920360, 97400450, 194800900, 389601800]

約数ペア:

[(1, 389601800), (2, 194800900), (4, 97400450), (5, 77920360), (7, 55657400), (8, 48700225), (10, 38960180), (14, 27828700), (20, 19480090), (25, 15584072), (28, 13914350), (31, 12567800), (35, 11131480), (40, 9740045), (47, 8289400), (50, 7792036), (56, 6957175), (62, 6283900), (70, 5565740), (94, 4144700), (100, 3896018), (124, 3141950), (140, 2782870), (155, 2513560), (175, 2226296), (188, 2072350), (191, 2039800), (200, 1948009), (217, 1795400), (235, 1657880), (248, 1570975), (280, 1391435), (310, 1256780), (329, 1184200), (350, 1113148), (376, 1036175), (382, 1019900), (434, 897700), (470, 828940), (620, 628390), (658, 592100), (700, 556574), (764, 509950), (775, 502712), (868, 448850), (940, 414470), (955, 407960), (1085, 359080), (1175, 331576), (1240, 314195), (1316, 296050), (1337, 291400), (1400, 278287), (1457, 267400), (1528, 254975), (1550, 251356), (1645, 236840), (1736, 224425), (1880, 207235), (1910, 203980), (2170, 179540), (2350, 165788), (2632, 148025), (2674, 145700), (2914, 133700), (3100, 125678), (3290, 118420), (3820, 101990), (4340, 89770), (4700, 82894), (4775, 81592), (5348, 72850), (5425, 71816), (5828, 66850), (5921, 65800), (6200, 62839), (6580, 59210), (6685, 58280), (7285, 53480), (7640, 50995), (8225, 47368), (8680, 44885), (8977, 43400), (9400, 41447), (9550, 40796), (10199, 38200), (10696, 36425), (10850, 35908), (11656, 33425), (11842, 32900), (13160, 29605), (13370, 29140), (14570, 26740), (16450, 23684), (17954, 21700), (19100, 20398)]