289990610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318671}}^1$

素因数の和:318698

約数の個数: 32

約数和(自身を含む): 642442752

約数和(自身を除く): 352452142

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318671, 637342, 1593355, 2230697, 3186710, 4142723, 4461394, 8285446, 11153485, 20713615, 22306970, 28999061, 41427230, 57998122, 144995305, 289990610]

約数ペア:

[(1, 289990610), (2, 144995305), (5, 57998122), (7, 41427230), (10, 28999061), (13, 22306970), (14, 20713615), (26, 11153485), (35, 8285446), (65, 4461394), (70, 4142723), (91, 3186710), (130, 2230697), (182, 1593355), (455, 637342), (910, 318671)]