2021302000

素因数分解:

$2^4\times 5^3\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2075

約数の個数: 80

約数和(自身を含む): 4897436544

約数和(自身を除く): 2876134544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 821, 1000, 1231, 1642, 2000, 2462, 3284, 4105, 4924, 6155, 6568, 8210, 9848, 12310, 13136, 16420, 19696, 20525, 24620, 30775, 32840, 41050, 49240, 61550, 65680, 82100, 98480, 102625, 123100, 153875, 164200, 205250, 246200, 307750, 328400, 410500, 492400, 615500, 821000, 1010651, 1231000, 1642000, 2021302, 2462000, 4042604, 5053255, 8085208, 10106510, 16170416, 20213020, 25266275, 40426040, 50532550, 80852080, 101065100, 126331375, 202130200, 252662750, 404260400, 505325500, 1010651000, 2021302000]

約数ペア:

[(1, 2021302000), (2, 1010651000), (4, 505325500), (5, 404260400), (8, 252662750), (10, 202130200), (16, 126331375), (20, 101065100), (25, 80852080), (40, 50532550), (50, 40426040), (80, 25266275), (100, 20213020), (125, 16170416), (200, 10106510), (250, 8085208), (400, 5053255), (500, 4042604), (821, 2462000), (1000, 2021302), (1231, 1642000), (1642, 1231000), (2000, 1010651), (2462, 821000), (3284, 615500), (4105, 492400), (4924, 410500), (6155, 328400), (6568, 307750), (8210, 246200), (9848, 205250), (12310, 164200), (13136, 153875), (16420, 123100), (19696, 102625), (20525, 98480), (24620, 82100), (30775, 65680), (32840, 61550), (41050, 49240)]