85210900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^2\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 54

約数和(自身を含む): 188809530

約数和(自身を除く): 103598630

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 229, 244, 305, 458, 610, 916, 1145, 1220, 1525, 2290, 3050, 3721, 4580, 5725, 6100, 7442, 11450, 13969, 14884, 18605, 22900, 27938, 37210, 55876, 69845, 74420, 93025, 139690, 186050, 279380, 349225, 372100, 698450, 852109, 1396900, 1704218, 3408436, 4260545, 8521090, 17042180, 21302725, 42605450, 85210900]

約数ペア:

[(1, 85210900), (2, 42605450), (4, 21302725), (5, 17042180), (10, 8521090), (20, 4260545), (25, 3408436), (50, 1704218), (61, 1396900), (100, 852109), (122, 698450), (229, 372100), (244, 349225), (305, 279380), (458, 186050), (610, 139690), (916, 93025), (1145, 74420), (1220, 69845), (1525, 55876), (2290, 37210), (3050, 27938), (3721, 22900), (4580, 18605), (5725, 14884), (6100, 13969), (7442, 11450)]