90256990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{7591}}^1$

素因数の和:7668

約数の個数: 32

約数和(自身を含む): 172186560

約数和(自身を除く): 81929570

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 2378, 5945, 7591, 11890, 15182, 37955, 75910, 220139, 311231, 440278, 622462, 1100695, 1556155, 2201390, 3112310, 9025699, 18051398, 45128495, 90256990]

約数ペア:

[(1, 90256990), (2, 45128495), (5, 18051398), (10, 9025699), (29, 3112310), (41, 2201390), (58, 1556155), (82, 1100695), (145, 622462), (205, 440278), (290, 311231), (410, 220139), (1189, 75910), (2378, 37955), (5945, 15182), (7591, 11890)]