1621167280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{698779}}^1$

素因数の和:698821

約数の個数: 40

約数和(自身を含む): 3899192400

約数和(自身を除く): 2278025120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 698779, 1397558, 2795116, 3493895, 5590232, 6987790, 11180464, 13975580, 20264591, 27951160, 40529182, 55902320, 81058364, 101322955, 162116728, 202645910, 324233456, 405291820, 810583640, 1621167280]

約数ペア:

[(1, 1621167280), (2, 810583640), (4, 405291820), (5, 324233456), (8, 202645910), (10, 162116728), (16, 101322955), (20, 81058364), (29, 55902320), (40, 40529182), (58, 27951160), (80, 20264591), (116, 13975580), (145, 11180464), (232, 6987790), (290, 5590232), (464, 3493895), (580, 2795116), (1160, 1397558), (2320, 698779)]