31428460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7741}}^1$

素因数の和:7786

約数の個数: 48

約数和(自身を含む): 78039360

約数和(自身を除く): 46610900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7741, 15482, 30964, 38705, 54187, 77410, 108374, 154820, 216748, 224489, 270935, 448978, 541870, 897956, 1083740, 1122445, 1571423, 2244890, 3142846, 4489780, 6285692, 7857115, 15714230, 31428460]

約数ペア:

[(1, 31428460), (2, 15714230), (4, 7857115), (5, 6285692), (7, 4489780), (10, 3142846), (14, 2244890), (20, 1571423), (28, 1122445), (29, 1083740), (35, 897956), (58, 541870), (70, 448978), (116, 270935), (140, 224489), (145, 216748), (203, 154820), (290, 108374), (406, 77410), (580, 54187), (812, 38705), (1015, 30964), (2030, 15482), (4060, 7741)]