28488750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 72876672

約数和(自身を除く): 44387922

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 107, 125, 142, 150, 213, 214, 250, 321, 355, 375, 426, 535, 625, 642, 710, 750, 1065, 1070, 1250, 1605, 1775, 1875, 2130, 2675, 3210, 3550, 3750, 5325, 5350, 7597, 8025, 8875, 10650, 13375, 15194, 16050, 17750, 22791, 26625, 26750, 37985, 40125, 44375, 45582, 53250, 66875, 75970, 80250, 88750, 113955, 133125, 133750, 189925, 200625, 227910, 266250, 379850, 401250, 569775, 949625, 1139550, 1899250, 2848875, 4748125, 5697750, 9496250, 14244375, 28488750]

約数ペア:

[(1, 28488750), (2, 14244375), (3, 9496250), (5, 5697750), (6, 4748125), (10, 2848875), (15, 1899250), (25, 1139550), (30, 949625), (50, 569775), (71, 401250), (75, 379850), (107, 266250), (125, 227910), (142, 200625), (150, 189925), (213, 133750), (214, 133125), (250, 113955), (321, 88750), (355, 80250), (375, 75970), (426, 66875), (535, 53250), (625, 45582), (642, 44375), (710, 40125), (750, 37985), (1065, 26750), (1070, 26625), (1250, 22791), (1605, 17750), (1775, 16050), (1875, 15194), (2130, 13375), (2675, 10650), (3210, 8875), (3550, 8025), (3750, 7597), (5325, 5350)]