200750660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21221}}^1$

素因数の和:21284

約数の個数: 48

約数和(自身を含む): 470619072

約数和(自身を除く): 269868412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 21221, 42442, 84884, 106105, 212210, 233431, 424420, 466862, 912503, 933724, 1167155, 1825006, 2334310, 3650012, 4562515, 4668620, 9125030, 10037533, 18250060, 20075066, 40150132, 50187665, 100375330, 200750660]

約数ペア:

[(1, 200750660), (2, 100375330), (4, 50187665), (5, 40150132), (10, 20075066), (11, 18250060), (20, 10037533), (22, 9125030), (43, 4668620), (44, 4562515), (55, 3650012), (86, 2334310), (110, 1825006), (172, 1167155), (215, 933724), (220, 912503), (430, 466862), (473, 424420), (860, 233431), (946, 212210), (1892, 106105), (2365, 84884), (4730, 42442), (9460, 21221)]