347474920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668221}}^1$

素因数の和:668245

約数の個数: 32

約数和(自身を含む): 841959720

約数和(自身を除く): 494484800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 668221, 1336442, 2672884, 3341105, 5345768, 6682210, 8686873, 13364420, 17373746, 26728840, 34747492, 43434365, 69494984, 86868730, 173737460, 347474920]

約数ペア:

[(1, 347474920), (2, 173737460), (4, 86868730), (5, 69494984), (8, 43434365), (10, 34747492), (13, 26728840), (20, 17373746), (26, 13364420), (40, 8686873), (52, 6682210), (65, 5345768), (104, 3341105), (130, 2672884), (260, 1336442), (520, 668221)]