311372275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 424258560

約数和(自身を除く): 112886285

約数列:

[1, 5, 23, 25, 29, 71, 115, 145, 263, 355, 575, 667, 725, 1315, 1633, 1775, 2059, 3335, 6049, 6575, 7627, 8165, 10295, 16675, 18673, 30245, 38135, 40825, 47357, 51475, 93365, 151225, 175421, 190675, 236785, 429479, 466825, 541517, 877105, 1183925, 2147395, 2707585, 4385525, 10736975, 12454891, 13537925, 62274455, 311372275]

約数ペア:

[(1, 311372275), (5, 62274455), (23, 13537925), (25, 12454891), (29, 10736975), (71, 4385525), (115, 2707585), (145, 2147395), (263, 1183925), (355, 877105), (575, 541517), (667, 466825), (725, 429479), (1315, 236785), (1633, 190675), (1775, 175421), (2059, 151225), (3335, 93365), (6049, 51475), (6575, 47357), (7627, 40825), (8165, 38135), (10295, 30245), (16675, 18673)]