2212157420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{25849}}^1$

素因数の和:26258

約数の個数: 48

約数和(自身を含む): 5081076000

約数和(自身を除く): 2868918580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 17116, 21395, 25849, 42790, 51698, 85580, 103396, 129245, 258490, 284339, 516980, 568678, 1137356, 1421695, 2843390, 5686780, 10055261, 20110522, 40221044, 50276305, 100552610, 110607871, 201105220, 221215742, 442431484, 553039355, 1106078710, 2212157420]

約数ペア:

[(1, 2212157420), (2, 1106078710), (4, 553039355), (5, 442431484), (10, 221215742), (11, 201105220), (20, 110607871), (22, 100552610), (44, 50276305), (55, 40221044), (110, 20110522), (220, 10055261), (389, 5686780), (778, 2843390), (1556, 1421695), (1945, 1137356), (3890, 568678), (4279, 516980), (7780, 284339), (8558, 258490), (17116, 129245), (21395, 103396), (25849, 85580), (42790, 51698)]