542667740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{33211}}^1$

素因数の和:33282

約数の個数: 48

約数和(自身を含む): 1227515520

約数和(自身を除く): 684847780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 33211, 66422, 132844, 166055, 332110, 631009, 664220, 1262018, 1428073, 2524036, 2856146, 3155045, 5712292, 6310090, 7140365, 12620180, 14280730, 27133387, 28561460, 54266774, 108533548, 135666935, 271333870, 542667740]

約数ペア:

[(1, 542667740), (2, 271333870), (4, 135666935), (5, 108533548), (10, 54266774), (19, 28561460), (20, 27133387), (38, 14280730), (43, 12620180), (76, 7140365), (86, 6310090), (95, 5712292), (172, 3155045), (190, 2856146), (215, 2524036), (380, 1428073), (430, 1262018), (817, 664220), (860, 631009), (1634, 332110), (3268, 166055), (4085, 132844), (8170, 66422), (16340, 33211)]