551140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 1226232

約数和(自身を除く): 675092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1621, 3242, 6484, 8105, 16210, 27557, 32420, 55114, 110228, 137785, 275570, 551140]

約数ペア:

[(1, 551140), (2, 275570), (4, 137785), (5, 110228), (10, 55114), (17, 32420), (20, 27557), (34, 16210), (68, 8105), (85, 6484), (170, 3242), (340, 1621)]