291449080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{560479}}^1$

素因数の和:560503

約数の個数: 32

約数和(自身を含む): 706204800

約数和(自身を除く): 414755720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 560479, 1120958, 2241916, 2802395, 4483832, 5604790, 7286227, 11209580, 14572454, 22419160, 29144908, 36431135, 58289816, 72862270, 145724540, 291449080]

約数ペア:

[(1, 291449080), (2, 145724540), (4, 72862270), (5, 58289816), (8, 36431135), (10, 29144908), (13, 22419160), (20, 14572454), (26, 11209580), (40, 7286227), (52, 5604790), (65, 4483832), (104, 2802395), (130, 2241916), (260, 1120958), (520, 560479)]