308897140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{908521}}^1$

素因数の和:908547

約数の個数: 24

約数和(自身を含む): 686842632

約数和(自身を除く): 377945492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 908521, 1817042, 3634084, 4542605, 9085210, 15444857, 18170420, 30889714, 61779428, 77224285, 154448570, 308897140]

約数ペア:

[(1, 308897140), (2, 154448570), (4, 77224285), (5, 61779428), (10, 30889714), (17, 18170420), (20, 15444857), (34, 9085210), (68, 4542605), (85, 3634084), (170, 1817042), (340, 908521)]