28977867580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{202049}}^1$

素因数の和:202230

約数の個数: 48

約数和(自身を含む): 62321918400

約数和(自身を除く): 33344050820

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 1010, 1420, 2020, 7171, 14342, 28684, 35855, 71710, 143420, 202049, 404098, 808196, 1010245, 2020490, 4040980, 14345479, 20406949, 28690958, 40813898, 57381916, 71727395, 81627796, 102034745, 143454790, 204069490, 286909580, 408138980, 1448893379, 2897786758, 5795573516, 7244466895, 14488933790, 28977867580]

約数ペア:

[(1, 28977867580), (2, 14488933790), (4, 7244466895), (5, 5795573516), (10, 2897786758), (20, 1448893379), (71, 408138980), (101, 286909580), (142, 204069490), (202, 143454790), (284, 102034745), (355, 81627796), (404, 71727395), (505, 57381916), (710, 40813898), (1010, 28690958), (1420, 20406949), (2020, 14345479), (7171, 4040980), (14342, 2020490), (28684, 1010245), (35855, 808196), (71710, 404098), (143420, 202049)]