898210625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 1216560576

約数和(自身を除く): 318349951

約数列:

[1, 5, 13, 25, 65, 125, 227, 325, 487, 625, 1135, 1625, 2435, 2951, 5675, 6331, 8125, 12175, 14755, 28375, 31655, 60875, 73775, 110549, 141875, 158275, 304375, 368875, 552745, 791375, 1437137, 1844375, 2763725, 3956875, 7185685, 13818625, 35928425, 69093125, 179642125, 898210625]

約数ペア:

[(1, 898210625), (5, 179642125), (13, 69093125), (25, 35928425), (65, 13818625), (125, 7185685), (227, 3956875), (325, 2763725), (487, 1844375), (625, 1437137), (1135, 791375), (1625, 552745), (2435, 368875), (2951, 304375), (5675, 158275), (6331, 141875), (8125, 110549), (12175, 73775), (14755, 60875), (28375, 31655)]