1248369380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{69431}}^1$

素因数の和:69500

約数の個数: 48

約数和(自身を含む): 2799498240

約数和(自身を除く): 1551128860

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980, 69431, 138862, 277724, 347155, 694310, 1388620, 2013499, 2152361, 4026998, 4304722, 8053996, 8609444, 10067495, 10761805, 20134990, 21523610, 40269980, 43047220, 62418469, 124836938, 249673876, 312092345, 624184690, 1248369380]

約数ペア:

[(1, 1248369380), (2, 624184690), (4, 312092345), (5, 249673876), (10, 124836938), (20, 62418469), (29, 43047220), (31, 40269980), (58, 21523610), (62, 20134990), (116, 10761805), (124, 10067495), (145, 8609444), (155, 8053996), (290, 4304722), (310, 4026998), (580, 2152361), (620, 2013499), (899, 1388620), (1798, 694310), (3596, 347155), (4495, 277724), (8990, 138862), (17980, 69431)]