2021641510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{7919}}^1$

素因数の和:8461

約数の個数: 48

約数和(自身を含む): 4241730240

約数和(自身を除く): 2220088730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 521, 1042, 2605, 3647, 5210, 7294, 7919, 15838, 18235, 25529, 36470, 39595, 51058, 55433, 79190, 110866, 127645, 255290, 277165, 388031, 554330, 776062, 1940155, 3880310, 4125799, 8251598, 20628995, 28880593, 41257990, 57761186, 144402965, 202164151, 288805930, 404328302, 1010820755, 2021641510]

約数ペア:

[(1, 2021641510), (2, 1010820755), (5, 404328302), (7, 288805930), (10, 202164151), (14, 144402965), (35, 57761186), (49, 41257990), (70, 28880593), (98, 20628995), (245, 8251598), (490, 4125799), (521, 3880310), (1042, 1940155), (2605, 776062), (3647, 554330), (5210, 388031), (7294, 277165), (7919, 255290), (15838, 127645), (18235, 110866), (25529, 79190), (36470, 55433), (39595, 51058)]