2900190490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1\times {\mathrm{2609}}^1$

素因数の和:3954

約数の個数: 32

約数和(自身を含む): 5285250000

約数和(自身を除く): 2385059510

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1249, 2498, 2609, 5218, 6245, 12490, 13045, 26090, 111161, 222322, 232201, 464402, 555805, 1111610, 1161005, 2322010, 3258641, 6517282, 16293205, 32586410, 290019049, 580038098, 1450095245, 2900190490]

約数ペア:

[(1, 2900190490), (2, 1450095245), (5, 580038098), (10, 290019049), (89, 32586410), (178, 16293205), (445, 6517282), (890, 3258641), (1249, 2322010), (2498, 1161005), (2609, 1111610), (5218, 555805), (6245, 464402), (12490, 232201), (13045, 222322), (26090, 111161)]