68555620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3119}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 165634560

約数和(自身を除く): 97078940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3119, 3140, 4396, 5495, 6238, 10990, 12476, 15595, 21833, 21980, 31190, 43666, 62380, 87332, 109165, 218330, 436660, 489683, 979366, 1958732, 2448415, 3427781, 4896830, 6855562, 9793660, 13711124, 17138905, 34277810, 68555620]

約数ペア:

[(1, 68555620), (2, 34277810), (4, 17138905), (5, 13711124), (7, 9793660), (10, 6855562), (14, 4896830), (20, 3427781), (28, 2448415), (35, 1958732), (70, 979366), (140, 489683), (157, 436660), (314, 218330), (628, 109165), (785, 87332), (1099, 62380), (1570, 43666), (2198, 31190), (3119, 21980), (3140, 21833), (4396, 15595), (5495, 12476), (6238, 10990)]