75118780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18010

約数の個数: 48

約数和(自身を含む): 181157760

約数和(自身を除く): 106038980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 17971, 35942, 71884, 89855, 179710, 197681, 341449, 359420, 395362, 682898, 790724, 988405, 1365796, 1707245, 1976810, 3414490, 3755939, 3953620, 6828980, 7511878, 15023756, 18779695, 37559390, 75118780]

約数ペア:

[(1, 75118780), (2, 37559390), (4, 18779695), (5, 15023756), (10, 7511878), (11, 6828980), (19, 3953620), (20, 3755939), (22, 3414490), (38, 1976810), (44, 1707245), (55, 1365796), (76, 988405), (95, 790724), (110, 682898), (190, 395362), (209, 359420), (220, 341449), (380, 197681), (418, 179710), (836, 89855), (1045, 71884), (2090, 35942), (4180, 17971)]