315089125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 429601536

約数和(自身を除く): 114512411

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 355, 923, 1625, 1775, 2731, 4615, 8875, 13655, 23075, 35503, 68275, 115375, 177515, 193901, 341375, 887575, 969505, 2520713, 4437875, 4847525, 12603565, 24237625, 63017825, 315089125]

約数ペア:

[(1, 315089125), (5, 63017825), (13, 24237625), (25, 12603565), (65, 4847525), (71, 4437875), (125, 2520713), (325, 969505), (355, 887575), (923, 341375), (1625, 193901), (1775, 177515), (2731, 115375), (4615, 68275), (8875, 35503), (13655, 23075)]