403931320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7691}}^1$

素因数の和:7816

約数の個数: 64

約数和(自身を含む): 988575840

約数和(自身を除く): 584644520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 2020, 2626, 4040, 5252, 6565, 7691, 10504, 13130, 15382, 26260, 30764, 38455, 52520, 61528, 76910, 99983, 153820, 199966, 307640, 399932, 499915, 776791, 799864, 999830, 1553582, 1999660, 3107164, 3883955, 3999320, 6214328, 7767910, 10098283, 15535820, 20196566, 31071640, 40393132, 50491415, 80786264, 100982830, 201965660, 403931320]

約数ペア:

[(1, 403931320), (2, 201965660), (4, 100982830), (5, 80786264), (8, 50491415), (10, 40393132), (13, 31071640), (20, 20196566), (26, 15535820), (40, 10098283), (52, 7767910), (65, 6214328), (101, 3999320), (104, 3883955), (130, 3107164), (202, 1999660), (260, 1553582), (404, 999830), (505, 799864), (520, 776791), (808, 499915), (1010, 399932), (1313, 307640), (2020, 199966), (2626, 153820), (4040, 99983), (5252, 76910), (6565, 61528), (7691, 52520), (10504, 38455), (13130, 30764), (15382, 26260)]