1801472620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2905601}}^1$

素因数の和:2905641

約数の個数: 24

約数和(自身を含む): 3905129088

約数和(自身を除く): 2103656468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2905601, 5811202, 11622404, 14528005, 29056010, 58112020, 90073631, 180147262, 360294524, 450368155, 900736310, 1801472620]

約数ペア:

[(1, 1801472620), (2, 900736310), (4, 450368155), (5, 360294524), (10, 180147262), (20, 90073631), (31, 58112020), (62, 29056010), (124, 14528005), (155, 11622404), (310, 5811202), (620, 2905601)]