152783125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 211882176

約数和(自身を除く): 59099051

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 313, 355, 625, 781, 1375, 1565, 1775, 3443, 3905, 6875, 7825, 8875, 17215, 19525, 22223, 39125, 44375, 86075, 97625, 111115, 195625, 244453, 430375, 488125, 555575, 1222265, 2151875, 2777875, 6111325, 13889375, 30556625, 152783125]

約数ペア:

[(1, 152783125), (5, 30556625), (11, 13889375), (25, 6111325), (55, 2777875), (71, 2151875), (125, 1222265), (275, 555575), (313, 488125), (355, 430375), (625, 244453), (781, 195625), (1375, 111115), (1565, 97625), (1775, 86075), (3443, 44375), (3905, 39125), (6875, 22223), (7825, 19525), (8875, 17215)]