289329820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35897}}^1$

素因数の和:35950

約数の個数: 48

約数和(自身を含む): 675456768

約数和(自身を除く): 386126948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 35897, 71794, 143588, 179485, 358970, 466661, 717940, 933322, 1112807, 1866644, 2225614, 2333305, 4451228, 4666610, 5564035, 9333220, 11128070, 14466491, 22256140, 28932982, 57865964, 72332455, 144664910, 289329820]

約数ペア:

[(1, 289329820), (2, 144664910), (4, 72332455), (5, 57865964), (10, 28932982), (13, 22256140), (20, 14466491), (26, 11128070), (31, 9333220), (52, 5564035), (62, 4666610), (65, 4451228), (124, 2333305), (130, 2225614), (155, 1866644), (260, 1112807), (310, 933322), (403, 717940), (620, 466661), (806, 358970), (1612, 179485), (2015, 143588), (4030, 71794), (8060, 35897)]