123730820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{213329}}^1$

素因数の和:213367

約数の個数: 24

約数和(自身を含む): 268795800

約数和(自身を除く): 145064980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 213329, 426658, 853316, 1066645, 2133290, 4266580, 6186541, 12373082, 24746164, 30932705, 61865410, 123730820]

約数ペア:

[(1, 123730820), (2, 61865410), (4, 30932705), (5, 24746164), (10, 12373082), (20, 6186541), (29, 4266580), (58, 2133290), (116, 1066645), (145, 853316), (290, 426658), (580, 213329)]