1248657080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257987}}^1$

素因数の和:258020

約数の個数: 48

約数和(自身を含む): 3088116360

約数和(自身を除く): 1839459280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 257987, 515974, 1031948, 1289935, 2063896, 2579870, 2837857, 5159740, 5675714, 10319480, 11351428, 14189285, 22702856, 28378570, 31216427, 56757140, 62432854, 113514280, 124865708, 156082135, 249731416, 312164270, 624328540, 1248657080]

約数ペア:

[(1, 1248657080), (2, 624328540), (4, 312164270), (5, 249731416), (8, 156082135), (10, 124865708), (11, 113514280), (20, 62432854), (22, 56757140), (40, 31216427), (44, 28378570), (55, 22702856), (88, 14189285), (110, 11351428), (121, 10319480), (220, 5675714), (242, 5159740), (440, 2837857), (484, 2579870), (605, 2063896), (968, 1289935), (1210, 1031948), (2420, 515974), (4840, 257987)]