278317610

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{2339}}^1$

素因数の和:2582

約数の個数: 32

約数和(自身を含む): 511168320

約数和(自身を除く): 232850710

約数列:

[1, 2, 5, 10, 73, 146, 163, 326, 365, 730, 815, 1630, 2339, 4678, 11695, 11899, 23390, 23798, 59495, 118990, 170747, 341494, 381257, 762514, 853735, 1707470, 1906285, 3812570, 27831761, 55663522, 139158805, 278317610]

約数ペア:

[(1, 278317610), (2, 139158805), (5, 55663522), (10, 27831761), (73, 3812570), (146, 1906285), (163, 1707470), (326, 853735), (365, 762514), (730, 381257), (815, 341494), (1630, 170747), (2339, 118990), (4678, 59495), (11695, 23798), (11899, 23390)]