289090090

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{2341}}^1$

素因数の和:2634

約数の個数: 32

約数和(自身を含む): 532683216

約数和(自身を除く): 243593126

約数列:

[1, 2, 5, 10, 53, 106, 233, 265, 466, 530, 1165, 2330, 2341, 4682, 11705, 12349, 23410, 24698, 61745, 123490, 124073, 248146, 545453, 620365, 1090906, 1240730, 2727265, 5454530, 28909009, 57818018, 144545045, 289090090]

約数ペア:

[(1, 289090090), (2, 144545045), (5, 57818018), (10, 28909009), (53, 5454530), (106, 2727265), (233, 1240730), (265, 1090906), (466, 620365), (530, 545453), (1165, 248146), (2330, 124073), (2341, 123490), (4682, 61745), (11705, 24698), (12349, 23410)]