244686520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{470551}}^1$

素因数の和:470575

約数の個数: 32

約数和(自身を含む): 592895520

約数和(自身を除く): 348209000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 470551, 941102, 1882204, 2352755, 3764408, 4705510, 6117163, 9411020, 12234326, 18822040, 24468652, 30585815, 48937304, 61171630, 122343260, 244686520]

約数ペア:

[(1, 244686520), (2, 122343260), (4, 61171630), (5, 48937304), (8, 30585815), (10, 24468652), (13, 18822040), (20, 12234326), (26, 9411020), (40, 6117163), (52, 4705510), (65, 3764408), (104, 2352755), (130, 1882204), (260, 941102), (520, 470551)]