1691218580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1\times {\mathrm{1699}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 3608841600

約数和(自身を除く): 1917623020

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 701, 710, 1402, 1420, 1699, 2804, 3398, 3505, 6796, 7010, 8495, 14020, 16990, 33980, 49771, 99542, 120629, 199084, 241258, 248855, 482516, 497710, 603145, 995420, 1190999, 1206290, 2381998, 2412580, 4763996, 5954995, 11909990, 23819980, 84560929, 169121858, 338243716, 422804645, 845609290, 1691218580]

約数ペア:

[(1, 1691218580), (2, 845609290), (4, 422804645), (5, 338243716), (10, 169121858), (20, 84560929), (71, 23819980), (142, 11909990), (284, 5954995), (355, 4763996), (701, 2412580), (710, 2381998), (1402, 1206290), (1420, 1190999), (1699, 995420), (2804, 603145), (3398, 497710), (3505, 482516), (6796, 248855), (7010, 241258), (8495, 199084), (14020, 120629), (16990, 99542), (33980, 49771)]