211344220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1217}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 468588960

約数和(自身を除く): 257244740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 914, 1217, 1828, 2285, 2434, 4570, 4868, 6085, 8683, 9140, 12170, 17366, 23123, 24340, 34732, 43415, 46246, 86830, 92492, 115615, 173660, 231230, 462460, 556169, 1112338, 2224676, 2780845, 5561690, 10567211, 11123380, 21134422, 42268844, 52836055, 105672110, 211344220]

約数ペア:

[(1, 211344220), (2, 105672110), (4, 52836055), (5, 42268844), (10, 21134422), (19, 11123380), (20, 10567211), (38, 5561690), (76, 2780845), (95, 2224676), (190, 1112338), (380, 556169), (457, 462460), (914, 231230), (1217, 173660), (1828, 115615), (2285, 92492), (2434, 86830), (4570, 46246), (4868, 43415), (6085, 34732), (8683, 24340), (9140, 23123), (12170, 17366)]