290416625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 376586496

約数和(自身を除く): 86169871

約数列:

[1, 5, 25, 43, 71, 125, 215, 355, 761, 1075, 1775, 3053, 3805, 5375, 8875, 15265, 19025, 32723, 54031, 76325, 95125, 163615, 270155, 381625, 818075, 1350775, 2323333, 4090375, 6753875, 11616665, 58083325, 290416625]

約数ペア:

[(1, 290416625), (5, 58083325), (25, 11616665), (43, 6753875), (71, 4090375), (125, 2323333), (215, 1350775), (355, 818075), (761, 381625), (1075, 270155), (1775, 163615), (3053, 95125), (3805, 76325), (5375, 54031), (8875, 32723), (15265, 19025)]