9900625

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 14795264

約数和(自身を除く): 4894639

約数列:

[1, 5, 7, 25, 31, 35, 73, 125, 155, 175, 217, 365, 511, 625, 775, 875, 1085, 1825, 2263, 2555, 3875, 4375, 5425, 9125, 11315, 12775, 15841, 19375, 27125, 45625, 56575, 63875, 79205, 135625, 282875, 319375, 396025, 1414375, 1980125, 9900625]

約数ペア:

[(1, 9900625), (5, 1980125), (7, 1414375), (25, 396025), (31, 319375), (35, 282875), (73, 135625), (125, 79205), (155, 63875), (175, 56575), (217, 45625), (365, 27125), (511, 19375), (625, 15841), (775, 12775), (875, 11315), (1085, 9125), (1825, 5425), (2263, 4375), (2555, 3875)]