315926260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{3671}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 716833152

約数和(自身を除く): 400906892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 3671, 4303, 6620, 7342, 8606, 14684, 17212, 18355, 21515, 36710, 43030, 47723, 73420, 86060, 95446, 190892, 238615, 477230, 954460, 1215101, 2430202, 4860404, 6075505, 12151010, 15796313, 24302020, 31592626, 63185252, 78981565, 157963130, 315926260]

約数ペア:

[(1, 315926260), (2, 157963130), (4, 78981565), (5, 63185252), (10, 31592626), (13, 24302020), (20, 15796313), (26, 12151010), (52, 6075505), (65, 4860404), (130, 2430202), (260, 1215101), (331, 954460), (662, 477230), (1324, 238615), (1655, 190892), (3310, 95446), (3671, 86060), (4303, 73420), (6620, 47723), (7342, 43030), (8606, 36710), (14684, 21515), (17212, 18355)]