78347780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10559}}^1$

素因数の和:10628

約数の個数: 48

約数和(自身を含む): 191600640

約数和(自身を除く): 113252860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 10559, 21118, 42236, 52795, 73913, 105590, 147826, 211180, 295652, 369565, 559627, 739130, 1119254, 1478260, 2238508, 2798135, 3917389, 5596270, 7834778, 11192540, 15669556, 19586945, 39173890, 78347780]

約数ペア:

[(1, 78347780), (2, 39173890), (4, 19586945), (5, 15669556), (7, 11192540), (10, 7834778), (14, 5596270), (20, 3917389), (28, 2798135), (35, 2238508), (53, 1478260), (70, 1119254), (106, 739130), (140, 559627), (212, 369565), (265, 295652), (371, 211180), (530, 147826), (742, 105590), (1060, 73913), (1484, 52795), (1855, 42236), (3710, 21118), (7420, 10559)]