179552620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22277}}^1$

素因数の和:22330

約数の個数: 48

約数和(自身を含む): 419182848

約数和(自身を除く): 239630228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 22277, 44554, 89108, 111385, 222770, 289601, 445540, 579202, 690587, 1158404, 1381174, 1448005, 2762348, 2896010, 3452935, 5792020, 6905870, 8977631, 13811740, 17955262, 35910524, 44888155, 89776310, 179552620]

約数ペア:

[(1, 179552620), (2, 89776310), (4, 44888155), (5, 35910524), (10, 17955262), (13, 13811740), (20, 8977631), (26, 6905870), (31, 5792020), (52, 3452935), (62, 2896010), (65, 2762348), (124, 1448005), (130, 1381174), (155, 1158404), (260, 690587), (310, 579202), (403, 445540), (620, 289601), (806, 222770), (1612, 111385), (2015, 89108), (4030, 44554), (8060, 22277)]