154100140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{187927}}^1$

素因数の和:187977

約数の個数: 24

約数和(自身を含む): 331504992

約数和(自身を除く): 177404852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 187927, 375854, 751708, 939635, 1879270, 3758540, 7705007, 15410014, 30820028, 38525035, 77050070, 154100140]

約数ペア:

[(1, 154100140), (2, 77050070), (4, 38525035), (5, 30820028), (10, 15410014), (20, 7705007), (41, 3758540), (82, 1879270), (164, 939635), (205, 751708), (410, 375854), (820, 187927)]