1869014780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{3359}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 4023613440

約数和(自身を除く): 2154598660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 647, 860, 1294, 2588, 3235, 3359, 6470, 6718, 12940, 13436, 16795, 27821, 33590, 55642, 67180, 111284, 139105, 144437, 278210, 288874, 556420, 577748, 722185, 1444370, 2173273, 2888740, 4346546, 8693092, 10866365, 21732730, 43465460, 93450739, 186901478, 373802956, 467253695, 934507390, 1869014780]

約数ペア:

[(1, 1869014780), (2, 934507390), (4, 467253695), (5, 373802956), (10, 186901478), (20, 93450739), (43, 43465460), (86, 21732730), (172, 10866365), (215, 8693092), (430, 4346546), (647, 2888740), (860, 2173273), (1294, 1444370), (2588, 722185), (3235, 577748), (3359, 556420), (6470, 288874), (6718, 278210), (12940, 144437), (13436, 139105), (16795, 111284), (27821, 67180), (33590, 55642)]