123075140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 265434624

約数和(自身を除く): 142359484

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 311, 421, 470, 622, 842, 940, 1244, 1555, 1684, 2105, 3110, 4210, 6220, 8420, 14617, 19787, 29234, 39574, 58468, 73085, 79148, 98935, 130931, 146170, 197870, 261862, 292340, 395740, 523724, 654655, 1309310, 2618620, 6153757, 12307514, 24615028, 30768785, 61537570, 123075140]

約数ペア:

[(1, 123075140), (2, 61537570), (4, 30768785), (5, 24615028), (10, 12307514), (20, 6153757), (47, 2618620), (94, 1309310), (188, 654655), (235, 523724), (311, 395740), (421, 292340), (470, 261862), (622, 197870), (842, 146170), (940, 130931), (1244, 98935), (1555, 79148), (1684, 73085), (2105, 58468), (3110, 39574), (4210, 29234), (6220, 19787), (8420, 14617)]