253006520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2879}}^1$

素因数の和:2929

約数の個数: 64

約数和(自身を含む): 616896000

約数和(自身を除く): 363889480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 2879, 3380, 4394, 5758, 6760, 8788, 10985, 11516, 14395, 17576, 21970, 23032, 28790, 37427, 43940, 57580, 74854, 87880, 115160, 149708, 187135, 299416, 374270, 486551, 748540, 973102, 1497080, 1946204, 2432755, 3892408, 4865510, 6325163, 9731020, 12650326, 19462040, 25300652, 31625815, 50601304, 63251630, 126503260, 253006520]

約数ペア:

[(1, 253006520), (2, 126503260), (4, 63251630), (5, 50601304), (8, 31625815), (10, 25300652), (13, 19462040), (20, 12650326), (26, 9731020), (40, 6325163), (52, 4865510), (65, 3892408), (104, 2432755), (130, 1946204), (169, 1497080), (260, 973102), (338, 748540), (520, 486551), (676, 374270), (845, 299416), (1352, 187135), (1690, 149708), (2197, 115160), (2879, 87880), (3380, 74854), (4394, 57580), (5758, 43940), (6760, 37427), (8788, 28790), (10985, 23032), (11516, 21970), (14395, 17576)]