312144490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17351}}^1$

素因数の和:17622

約数の個数: 32

約数和(自身を含む): 644661504

約数和(自身を除く): 332517014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 17351, 17990, 34702, 86755, 121457, 173510, 242914, 607285, 1214570, 4459207, 8918414, 22296035, 31214449, 44592070, 62428898, 156072245, 312144490]

約数ペア:

[(1, 312144490), (2, 156072245), (5, 62428898), (7, 44592070), (10, 31214449), (14, 22296035), (35, 8918414), (70, 4459207), (257, 1214570), (514, 607285), (1285, 242914), (1799, 173510), (2570, 121457), (3598, 86755), (8995, 34702), (17351, 17990)]