155555530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 311568768

約数和(自身を除く): 156013238

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 107, 130, 211, 214, 265, 422, 530, 535, 689, 1055, 1070, 1378, 1391, 2110, 2743, 2782, 3445, 5486, 5671, 6890, 6955, 11183, 11342, 13715, 13910, 22366, 22577, 27430, 28355, 45154, 55915, 56710, 73723, 111830, 112885, 145379, 147446, 225770, 290758, 293501, 368615, 587002, 726895, 737230, 1196581, 1453790, 1467505, 2393162, 2935010, 5982905, 11965810, 15555553, 31111106, 77777765, 155555530]

約数ペア:

[(1, 155555530), (2, 77777765), (5, 31111106), (10, 15555553), (13, 11965810), (26, 5982905), (53, 2935010), (65, 2393162), (106, 1467505), (107, 1453790), (130, 1196581), (211, 737230), (214, 726895), (265, 587002), (422, 368615), (530, 293501), (535, 290758), (689, 225770), (1055, 147446), (1070, 145379), (1378, 112885), (1391, 111830), (2110, 73723), (2743, 56710), (2782, 55915), (3445, 45154), (5486, 28355), (5671, 27430), (6890, 22577), (6955, 22366), (11183, 13910), (11342, 13715)]