420272495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 556416000

約数和(自身を除く): 136143505

約数列:

[1, 5, 19, 29, 79, 95, 145, 395, 551, 1501, 1931, 2291, 2755, 7505, 9655, 11455, 36689, 43529, 55999, 152549, 183445, 217645, 279995, 762745, 1063981, 2898431, 4423921, 5319905, 14492155, 22119605, 84054499, 420272495]

約数ペア:

[(1, 420272495), (5, 84054499), (19, 22119605), (29, 14492155), (79, 5319905), (95, 4423921), (145, 2898431), (395, 1063981), (551, 762745), (1501, 279995), (1931, 217645), (2291, 183445), (2755, 152549), (7505, 55999), (9655, 43529), (11455, 36689)]