397691320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{1091}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 965895840

約数和(自身を除く): 568204520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 701, 1091, 1402, 2182, 2804, 3505, 4364, 5455, 5608, 7010, 8728, 9113, 10910, 14020, 14183, 18226, 21820, 28040, 28366, 36452, 43640, 45565, 56732, 70915, 72904, 91130, 113464, 141830, 182260, 283660, 364520, 567320, 764791, 1529582, 3059164, 3823955, 6118328, 7647910, 9942283, 15295820, 19884566, 30591640, 39769132, 49711415, 79538264, 99422830, 198845660, 397691320]

約数ペア:

[(1, 397691320), (2, 198845660), (4, 99422830), (5, 79538264), (8, 49711415), (10, 39769132), (13, 30591640), (20, 19884566), (26, 15295820), (40, 9942283), (52, 7647910), (65, 6118328), (104, 3823955), (130, 3059164), (260, 1529582), (520, 764791), (701, 567320), (1091, 364520), (1402, 283660), (2182, 182260), (2804, 141830), (3505, 113464), (4364, 91130), (5455, 72904), (5608, 70915), (7010, 56732), (8728, 45565), (9113, 43640), (10910, 36452), (14020, 28366), (14183, 28040), (18226, 21820)]