84908740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3863}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 205132032

約数和(自身を除く): 120223292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3863, 4396, 5495, 7726, 10990, 15452, 19315, 21980, 27041, 38630, 54082, 77260, 108164, 135205, 270410, 540820, 606491, 1212982, 2425964, 3032455, 4245437, 6064910, 8490874, 12129820, 16981748, 21227185, 42454370, 84908740]

約数ペア:

[(1, 84908740), (2, 42454370), (4, 21227185), (5, 16981748), (7, 12129820), (10, 8490874), (14, 6064910), (20, 4245437), (28, 3032455), (35, 2425964), (70, 1212982), (140, 606491), (157, 540820), (314, 270410), (628, 135205), (785, 108164), (1099, 77260), (1570, 54082), (2198, 38630), (3140, 27041), (3863, 21980), (4396, 19315), (5495, 15452), (7726, 10990)]