257563150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5677

約数の個数: 48

約数和(自身を含む): 523279008

約数和(自身を除く): 265715858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 923, 1775, 1846, 3550, 4615, 5581, 9230, 11162, 23075, 27905, 46150, 55810, 72553, 139525, 145106, 279050, 362765, 396251, 725530, 792502, 1813825, 1981255, 3627650, 3962510, 5151263, 9906275, 10302526, 19812550, 25756315, 51512630, 128781575, 257563150]

約数ペア:

[(1, 257563150), (2, 128781575), (5, 51512630), (10, 25756315), (13, 19812550), (25, 10302526), (26, 9906275), (50, 5151263), (65, 3962510), (71, 3627650), (130, 1981255), (142, 1813825), (325, 792502), (355, 725530), (650, 396251), (710, 362765), (923, 279050), (1775, 145106), (1846, 139525), (3550, 72553), (4615, 55810), (5581, 46150), (9230, 27905), (11162, 23075)]