2021366380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{46171}}^1$

素因数の和:46390

約数の個数: 48

約数和(自身を含む): 4654137600

約数和(自身を除く): 2632771220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43780, 46171, 92342, 184684, 230855, 461710, 507881, 923420, 1015762, 2031524, 2539405, 5078810, 9188029, 10157620, 18376058, 36752116, 45940145, 91880290, 101068319, 183760580, 202136638, 404273276, 505341595, 1010683190, 2021366380]

約数ペア:

[(1, 2021366380), (2, 1010683190), (4, 505341595), (5, 404273276), (10, 202136638), (11, 183760580), (20, 101068319), (22, 91880290), (44, 45940145), (55, 36752116), (110, 18376058), (199, 10157620), (220, 9188029), (398, 5078810), (796, 2539405), (995, 2031524), (1990, 1015762), (2189, 923420), (3980, 507881), (4378, 461710), (8756, 230855), (10945, 184684), (21890, 92342), (43780, 46171)]