72860140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 156356928

約数和(自身を除く): 83496788

約数列:

[1, 2, 4, 5, 10, 20, 103, 113, 206, 226, 313, 412, 452, 515, 565, 626, 1030, 1130, 1252, 1565, 2060, 2260, 3130, 6260, 11639, 23278, 32239, 35369, 46556, 58195, 64478, 70738, 116390, 128956, 141476, 161195, 176845, 232780, 322390, 353690, 644780, 707380, 3643007, 7286014, 14572028, 18215035, 36430070, 72860140]

約数ペア:

[(1, 72860140), (2, 36430070), (4, 18215035), (5, 14572028), (10, 7286014), (20, 3643007), (103, 707380), (113, 644780), (206, 353690), (226, 322390), (313, 232780), (412, 176845), (452, 161195), (515, 141476), (565, 128956), (626, 116390), (1030, 70738), (1130, 64478), (1252, 58195), (1565, 46556), (2060, 35369), (2260, 32239), (3130, 23278), (6260, 11639)]