9307780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 20401920

約数和(自身を除く): 11094140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 137, 158, 172, 215, 274, 316, 395, 430, 548, 685, 790, 860, 1370, 1580, 2740, 3397, 5891, 6794, 10823, 11782, 13588, 16985, 21646, 23564, 29455, 33970, 43292, 54115, 58910, 67940, 108230, 117820, 216460, 465389, 930778, 1861556, 2326945, 4653890, 9307780]

約数ペア:

[(1, 9307780), (2, 4653890), (4, 2326945), (5, 1861556), (10, 930778), (20, 465389), (43, 216460), (79, 117820), (86, 108230), (137, 67940), (158, 58910), (172, 54115), (215, 43292), (274, 33970), (316, 29455), (395, 23564), (430, 21646), (548, 16985), (685, 13588), (790, 11782), (860, 10823), (1370, 6794), (1580, 5891), (2740, 3397)]