2100057980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{28219}}^1$

素因数の和:28350

約数の個数: 36

約数和(自身を含む): 4483762920

約数和(自身を除く): 2383704940

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3721, 7442, 14884, 18605, 28219, 37210, 56438, 74420, 112876, 141095, 282190, 564380, 1721359, 3442718, 6885436, 8606795, 17213590, 34427180, 105002899, 210005798, 420011596, 525014495, 1050028990, 2100057980]

約数ペア:

[(1, 2100057980), (2, 1050028990), (4, 525014495), (5, 420011596), (10, 210005798), (20, 105002899), (61, 34427180), (122, 17213590), (244, 8606795), (305, 6885436), (610, 3442718), (1220, 1721359), (3721, 564380), (7442, 282190), (14884, 141095), (18605, 112876), (28219, 74420), (37210, 56438)]