31502590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 66484800

約数和(自身を除く): 34982210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 269, 478, 490, 538, 1195, 1345, 1673, 1883, 2390, 2690, 3346, 3766, 8365, 9415, 11711, 13181, 16730, 18830, 23422, 26362, 58555, 64291, 65905, 117110, 128582, 131810, 321455, 450037, 642910, 900074, 2250185, 3150259, 4500370, 6300518, 15751295, 31502590]

約数ペア:

[(1, 31502590), (2, 15751295), (5, 6300518), (7, 4500370), (10, 3150259), (14, 2250185), (35, 900074), (49, 642910), (70, 450037), (98, 321455), (239, 131810), (245, 128582), (269, 117110), (478, 65905), (490, 64291), (538, 58555), (1195, 26362), (1345, 23422), (1673, 18830), (1883, 16730), (2390, 13181), (2690, 11711), (3346, 9415), (3766, 8365)]