1399685890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1\times {\mathrm{1879}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 2541790080

約数和(自身を除く): 1142104190

約数列:

[1, 2, 5, 10, 163, 326, 457, 815, 914, 1630, 1879, 2285, 3758, 4570, 9395, 18790, 74491, 148982, 306277, 372455, 612554, 744910, 858703, 1531385, 1717406, 3062770, 4293515, 8587030, 139968589, 279937178, 699842945, 1399685890]

約数ペア:

[(1, 1399685890), (2, 699842945), (5, 279937178), (10, 139968589), (163, 8587030), (326, 4293515), (457, 3062770), (815, 1717406), (914, 1531385), (1630, 858703), (1879, 744910), (2285, 612554), (3758, 372455), (4570, 306277), (9395, 148982), (18790, 74491)]