139862840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 340472160

約数和(自身を除く): 200609320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 971, 1108, 1385, 1942, 2216, 2770, 3601, 3884, 4855, 5540, 7202, 7768, 9710, 11080, 12623, 14404, 18005, 19420, 25246, 28808, 36010, 38840, 50492, 63115, 72020, 100984, 126230, 144040, 252460, 268967, 504920, 537934, 1075868, 1344835, 2151736, 2689670, 3496571, 5379340, 6993142, 10758680, 13986284, 17482855, 27972568, 34965710, 69931420, 139862840]

約数ペア:

[(1, 139862840), (2, 69931420), (4, 34965710), (5, 27972568), (8, 17482855), (10, 13986284), (13, 10758680), (20, 6993142), (26, 5379340), (40, 3496571), (52, 2689670), (65, 2151736), (104, 1344835), (130, 1075868), (260, 537934), (277, 504920), (520, 268967), (554, 252460), (971, 144040), (1108, 126230), (1385, 100984), (1942, 72020), (2216, 63115), (2770, 50492), (3601, 38840), (3884, 36010), (4855, 28808), (5540, 25246), (7202, 19420), (7768, 18005), (9710, 14404), (11080, 12623)]