77854840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2753}}^1$

素因数の和:2872

約数の個数: 64

約数和(自身を含む): 202253760

約数和(自身を除く): 124398920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2753, 2828, 3535, 4040, 5506, 5656, 7070, 11012, 13765, 14140, 19271, 22024, 27530, 28280, 38542, 55060, 77084, 96355, 110120, 154168, 192710, 278053, 385420, 556106, 770840, 1112212, 1390265, 1946371, 2224424, 2780530, 3892742, 5561060, 7785484, 9731855, 11122120, 15570968, 19463710, 38927420, 77854840]

約数ペア:

[(1, 77854840), (2, 38927420), (4, 19463710), (5, 15570968), (7, 11122120), (8, 9731855), (10, 7785484), (14, 5561060), (20, 3892742), (28, 2780530), (35, 2224424), (40, 1946371), (56, 1390265), (70, 1112212), (101, 770840), (140, 556106), (202, 385420), (280, 278053), (404, 192710), (505, 154168), (707, 110120), (808, 96355), (1010, 77084), (1414, 55060), (2020, 38542), (2753, 28280), (2828, 27530), (3535, 22024), (4040, 19271), (5506, 14140), (5656, 13765), (7070, 11012)]