38237980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 88179840

約数和(自身を除く): 49941860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 971, 1790, 1942, 1969, 3580, 3884, 3938, 4855, 7876, 9710, 9845, 10681, 19420, 19690, 21362, 39380, 42724, 53405, 106810, 173809, 213620, 347618, 695236, 869045, 1738090, 1911899, 3476180, 3823798, 7647596, 9559495, 19118990, 38237980]

約数ペア:

[(1, 38237980), (2, 19118990), (4, 9559495), (5, 7647596), (10, 3823798), (11, 3476180), (20, 1911899), (22, 1738090), (44, 869045), (55, 695236), (110, 347618), (179, 213620), (220, 173809), (358, 106810), (716, 53405), (895, 42724), (971, 39380), (1790, 21362), (1942, 19690), (1969, 19420), (3580, 10681), (3884, 9845), (3938, 9710), (4855, 7876)]