251906460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7877}}^1$

素因数の和:7943

約数の個数: 96

約数和(自身を含む): 778220352

約数和(自身を除く): 526313892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2665, 3198, 5330, 6396, 7877, 7995, 10660, 15754, 15990, 23631, 31508, 31980, 39385, 47262, 78770, 94524, 102401, 118155, 157540, 204802, 236310, 307203, 322957, 409604, 472620, 512005, 614406, 645914, 968871, 1024010, 1228812, 1291828, 1536015, 1614785, 1937742, 2048020, 3072030, 3229570, 3875484, 4198441, 4844355, 6144060, 6459140, 8396882, 9688710, 12595323, 16793764, 19377420, 20992205, 25190646, 41984410, 50381292, 62976615, 83968820, 125953230, 251906460]

約数ペア:

[(1, 251906460), (2, 125953230), (3, 83968820), (4, 62976615), (5, 50381292), (6, 41984410), (10, 25190646), (12, 20992205), (13, 19377420), (15, 16793764), (20, 12595323), (26, 9688710), (30, 8396882), (39, 6459140), (41, 6144060), (52, 4844355), (60, 4198441), (65, 3875484), (78, 3229570), (82, 3072030), (123, 2048020), (130, 1937742), (156, 1614785), (164, 1536015), (195, 1291828), (205, 1228812), (246, 1024010), (260, 968871), (390, 645914), (410, 614406), (492, 512005), (533, 472620), (615, 409604), (780, 322957), (820, 307203), (1066, 236310), (1230, 204802), (1599, 157540), (2132, 118155), (2460, 102401), (2665, 94524), (3198, 78770), (5330, 47262), (6396, 39385), (7877, 31980), (7995, 31508), (10660, 23631), (15754, 15990)]