138025550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12533

約数の個数: 48

約数和(自身を含む): 292762512

約数和(自身を除く): 154736962

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 12491, 24982, 62455, 124910, 162383, 212347, 312275, 324766, 424694, 624550, 811915, 1061735, 1623830, 2123470, 2760511, 4059575, 5308675, 5521022, 8119150, 10617350, 13802555, 27605110, 69012775, 138025550]

約数ペア:

[(1, 138025550), (2, 69012775), (5, 27605110), (10, 13802555), (13, 10617350), (17, 8119150), (25, 5521022), (26, 5308675), (34, 4059575), (50, 2760511), (65, 2123470), (85, 1623830), (130, 1061735), (170, 811915), (221, 624550), (325, 424694), (425, 324766), (442, 312275), (650, 212347), (850, 162383), (1105, 124910), (2210, 62455), (5525, 24982), (11050, 12491)]