289242580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{5501}}^1$

素因数の和:5760

約数の個数: 48

約数和(自身を含む): 665521920

約数和(自身を除く): 376279340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 4780, 5258, 5501, 10516, 11002, 13145, 22004, 26290, 27505, 52580, 55010, 60511, 110020, 121022, 242044, 302555, 605110, 1210220, 1314739, 2629478, 5258956, 6573695, 13147390, 14462129, 26294780, 28924258, 57848516, 72310645, 144621290, 289242580]

約数ペア:

[(1, 289242580), (2, 144621290), (4, 72310645), (5, 57848516), (10, 28924258), (11, 26294780), (20, 14462129), (22, 13147390), (44, 6573695), (55, 5258956), (110, 2629478), (220, 1314739), (239, 1210220), (478, 605110), (956, 302555), (1195, 242044), (2390, 121022), (2629, 110020), (4780, 60511), (5258, 55010), (5501, 52580), (10516, 27505), (11002, 26290), (13145, 22004)]