347604920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668471}}^1$

素因数の和:668495

約数の個数: 32

約数和(自身を含む): 842274720

約数和(自身を除く): 494669800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 668471, 1336942, 2673884, 3342355, 5347768, 6684710, 8690123, 13369420, 17380246, 26738840, 34760492, 43450615, 69520984, 86901230, 173802460, 347604920]

約数ペア:

[(1, 347604920), (2, 173802460), (4, 86901230), (5, 69520984), (8, 43450615), (10, 34760492), (13, 26738840), (20, 17380246), (26, 13369420), (40, 8690123), (52, 6684710), (65, 5347768), (104, 3342355), (130, 2673884), (260, 1336942), (520, 668471)]