890666705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2141}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 1172102400

約数和(自身を除く): 281435695

約数列:

[1, 5, 19, 29, 95, 145, 151, 551, 755, 2141, 2755, 2869, 4379, 10705, 14345, 21895, 40679, 62089, 83201, 203395, 310445, 323291, 416005, 1179691, 1616455, 5898455, 6142529, 9375439, 30712645, 46877195, 178133341, 890666705]

約数ペア:

[(1, 890666705), (5, 178133341), (19, 46877195), (29, 30712645), (95, 9375439), (145, 6142529), (151, 5898455), (551, 1616455), (755, 1179691), (2141, 416005), (2755, 323291), (2869, 310445), (4379, 203395), (10705, 83201), (14345, 62089), (21895, 40679)]