380245840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2791}}^1$

素因数の和:2948

約数の個数: 80

約数和(自身を含む): 959688576

約数和(自身を除く): 579442736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1310, 1703, 2096, 2620, 2791, 3406, 5240, 5582, 6812, 8515, 10480, 11164, 13624, 13955, 17030, 22328, 27248, 27910, 34060, 36283, 44656, 55820, 68120, 72566, 111640, 136240, 145132, 181415, 223280, 290264, 362830, 365621, 580528, 725660, 731242, 1451320, 1462484, 1828105, 2902640, 2924968, 3656210, 4753073, 5849936, 7312420, 9506146, 14624840, 19012292, 23765365, 29249680, 38024584, 47530730, 76049168, 95061460, 190122920, 380245840]

約数ペア:

[(1, 380245840), (2, 190122920), (4, 95061460), (5, 76049168), (8, 47530730), (10, 38024584), (13, 29249680), (16, 23765365), (20, 19012292), (26, 14624840), (40, 9506146), (52, 7312420), (65, 5849936), (80, 4753073), (104, 3656210), (130, 2924968), (131, 2902640), (208, 1828105), (260, 1462484), (262, 1451320), (520, 731242), (524, 725660), (655, 580528), (1040, 365621), (1048, 362830), (1310, 290264), (1703, 223280), (2096, 181415), (2620, 145132), (2791, 136240), (3406, 111640), (5240, 72566), (5582, 68120), (6812, 55820), (8515, 44656), (10480, 36283), (11164, 34060), (13624, 27910), (13955, 27248), (17030, 22328)]