139471420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{633961}}^1$

素因数の和:633981

約数の個数: 24

約数和(自身を含む): 319516848

約数和(自身を除く): 180045428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 633961, 1267922, 2535844, 3169805, 6339610, 6973571, 12679220, 13947142, 27894284, 34867855, 69735710, 139471420]

約数ペア:

[(1, 139471420), (2, 69735710), (4, 34867855), (5, 27894284), (10, 13947142), (11, 12679220), (20, 6973571), (22, 6339610), (44, 3169805), (55, 2535844), (110, 1267922), (220, 633961)]