418566760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{21487}}^1$

素因数の和:21985

約数の個数: 32

約数和(自身を含む): 943752960

約数和(自身を除く): 525186200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 19480, 21487, 42974, 85948, 107435, 171896, 214870, 429740, 859480, 10464169, 20928338, 41856676, 52320845, 83713352, 104641690, 209283380, 418566760]

約数ペア:

[(1, 418566760), (2, 209283380), (4, 104641690), (5, 83713352), (8, 52320845), (10, 41856676), (20, 20928338), (40, 10464169), (487, 859480), (974, 429740), (1948, 214870), (2435, 171896), (3896, 107435), (4870, 85948), (9740, 42974), (19480, 21487)]