78853870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 145347840

約数和(自身を除く): 66493970

約数列:

[1, 2, 5, 10, 73, 109, 146, 218, 365, 545, 730, 991, 1090, 1982, 4955, 7957, 9910, 15914, 39785, 72343, 79570, 108019, 144686, 216038, 361715, 540095, 723430, 1080190, 7885387, 15770774, 39426935, 78853870]

約数ペア:

[(1, 78853870), (2, 39426935), (5, 15770774), (10, 7885387), (73, 1080190), (109, 723430), (146, 540095), (218, 361715), (365, 216038), (545, 144686), (730, 108019), (991, 79570), (1090, 72343), (1982, 39785), (4955, 15914), (7957, 9910)]