218946980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10357}}^1$

素因数の和:10524

約数の個数: 48

約数和(自身を含む): 529003776

約数和(自身を除く): 310056796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 10357, 10570, 20714, 21140, 41428, 51785, 72499, 103570, 144998, 207140, 289996, 362495, 724990, 1449980, 1563907, 3127814, 6255628, 7819535, 10947349, 15639070, 21894698, 31278140, 43789396, 54736745, 109473490, 218946980]

約数ペア:

[(1, 218946980), (2, 109473490), (4, 54736745), (5, 43789396), (7, 31278140), (10, 21894698), (14, 15639070), (20, 10947349), (28, 7819535), (35, 6255628), (70, 3127814), (140, 1563907), (151, 1449980), (302, 724990), (604, 362495), (755, 289996), (1057, 207140), (1510, 144998), (2114, 103570), (3020, 72499), (4228, 51785), (5285, 41428), (10357, 21140), (10570, 20714)]