428970440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{84443}}^1$

素因数の和:84581

約数の個数: 32

約数和(自身を含む): 972794880

約数和(自身を除く): 543824440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 84443, 168886, 337772, 422215, 675544, 844430, 1688860, 3377720, 10724261, 21448522, 42897044, 53621305, 85794088, 107242610, 214485220, 428970440]

約数ペア:

[(1, 428970440), (2, 214485220), (4, 107242610), (5, 85794088), (8, 53621305), (10, 42897044), (20, 21448522), (40, 10724261), (127, 3377720), (254, 1688860), (508, 844430), (635, 675544), (1016, 422215), (1270, 337772), (2540, 168886), (5080, 84443)]