770445140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{542567}}^1$

素因数の和:542647

約数の個数: 24

約数和(自身を含む): 1640725632

約数和(自身を除く): 870280492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 542567, 1085134, 2170268, 2712835, 5425670, 10851340, 38522257, 77044514, 154089028, 192611285, 385222570, 770445140]

約数ペア:

[(1, 770445140), (2, 385222570), (4, 192611285), (5, 154089028), (10, 77044514), (20, 38522257), (71, 10851340), (142, 5425670), (284, 2712835), (355, 2170268), (710, 1085134), (1420, 542567)]