90108260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21557}}^1$

素因数の和:21596

約数の個数: 48

約数和(自身を含む): 217304640

約数和(自身を除く): 127196380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 21557, 43114, 86228, 107785, 215570, 237127, 409583, 431140, 474254, 819166, 948508, 1185635, 1638332, 2047915, 2371270, 4095830, 4505413, 4742540, 8191660, 9010826, 18021652, 22527065, 45054130, 90108260]

約数ペア:

[(1, 90108260), (2, 45054130), (4, 22527065), (5, 18021652), (10, 9010826), (11, 8191660), (19, 4742540), (20, 4505413), (22, 4095830), (38, 2371270), (44, 2047915), (55, 1638332), (76, 1185635), (95, 948508), (110, 819166), (190, 474254), (209, 431140), (220, 409583), (380, 237127), (418, 215570), (836, 107785), (1045, 86228), (2090, 43114), (4180, 21557)]