201450980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67601}}^1$

素因数の和:67759

約数の個数: 24

約数和(自身を含む): 425892600

約数和(自身を除く): 224441620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67601, 135202, 270404, 338005, 676010, 1352020, 10072549, 20145098, 40290196, 50362745, 100725490, 201450980]

約数ペア:

[(1, 201450980), (2, 100725490), (4, 50362745), (5, 40290196), (10, 20145098), (20, 10072549), (149, 1352020), (298, 676010), (596, 338005), (745, 270404), (1490, 135202), (2980, 67601)]