28735140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2257

約数の個数: 96

約数和(自身を含む): 94961664

約数和(自身を除く): 66226524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2207, 2604, 3255, 4340, 4414, 6510, 6621, 8828, 11035, 13020, 13242, 15449, 22070, 26484, 30898, 33105, 44140, 46347, 61796, 66210, 68417, 77245, 92694, 132420, 136834, 154490, 185388, 205251, 231735, 273668, 308980, 342085, 410502, 463470, 478919, 684170, 821004, 926940, 957838, 1026255, 1368340, 1436757, 1915676, 2052510, 2394595, 2873514, 4105020, 4789190, 5747028, 7183785, 9578380, 14367570, 28735140]

約数ペア:

[(1, 28735140), (2, 14367570), (3, 9578380), (4, 7183785), (5, 5747028), (6, 4789190), (7, 4105020), (10, 2873514), (12, 2394595), (14, 2052510), (15, 1915676), (20, 1436757), (21, 1368340), (28, 1026255), (30, 957838), (31, 926940), (35, 821004), (42, 684170), (60, 478919), (62, 463470), (70, 410502), (84, 342085), (93, 308980), (105, 273668), (124, 231735), (140, 205251), (155, 185388), (186, 154490), (210, 136834), (217, 132420), (310, 92694), (372, 77245), (420, 68417), (434, 66210), (465, 61796), (620, 46347), (651, 44140), (868, 33105), (930, 30898), (1085, 26484), (1302, 22070), (1860, 15449), (2170, 13242), (2207, 13020), (2604, 11035), (3255, 8828), (4340, 6621), (4414, 6510)]