81820690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4513}}^1$

素因数の和:4571

約数の個数: 48

約数和(自身を含む): 175991832

約数和(自身を除く): 94171142

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1813, 2590, 3626, 4513, 9026, 9065, 18130, 22565, 31591, 45130, 63182, 157955, 166981, 221137, 315910, 333962, 442274, 834905, 1105685, 1168867, 1669810, 2211370, 2337734, 5844335, 8182069, 11688670, 16364138, 40910345, 81820690]

約数ペア:

[(1, 81820690), (2, 40910345), (5, 16364138), (7, 11688670), (10, 8182069), (14, 5844335), (35, 2337734), (37, 2211370), (49, 1669810), (70, 1168867), (74, 1105685), (98, 834905), (185, 442274), (245, 333962), (259, 315910), (370, 221137), (490, 166981), (518, 157955), (1295, 63182), (1813, 45130), (2590, 31591), (3626, 22565), (4513, 18130), (9026, 9065)]