90311870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1613}}^1$

素因数の和:2140

約数の個数: 32

約数和(自身を含む): 177798240

約数和(自身を除く): 87486370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 509, 1018, 1613, 2545, 3226, 5090, 5599, 8065, 11198, 16130, 17743, 27995, 35486, 55990, 88715, 177430, 821017, 1642034, 4105085, 8210170, 9031187, 18062374, 45155935, 90311870]

約数ペア:

[(1, 90311870), (2, 45155935), (5, 18062374), (10, 9031187), (11, 8210170), (22, 4105085), (55, 1642034), (110, 821017), (509, 177430), (1018, 88715), (1613, 55990), (2545, 35486), (3226, 27995), (5090, 17743), (5599, 16130), (8065, 11198)]