390752275

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2879}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 498182400

約数和(自身を除く): 107430125

約数列:

[1, 5, 25, 61, 89, 305, 445, 1525, 2225, 2879, 5429, 14395, 27145, 71975, 135725, 175619, 256231, 878095, 1281155, 4390475, 6405775, 15630091, 78150455, 390752275]

約数ペア:

[(1, 390752275), (5, 78150455), (25, 15630091), (61, 6405775), (89, 4390475), (305, 1281155), (445, 878095), (1525, 256231), (2225, 175619), (2879, 135725), (5429, 71975), (14395, 27145)]