179892890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21139}}^1$

素因数の和:21206

約数の個数: 32

約数和(自身を含む): 347034240

約数和(自身を除く): 167141350

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 4255, 8510, 21139, 42278, 105695, 211390, 486197, 782143, 972394, 1564286, 2430985, 3910715, 4861970, 7821430, 17989289, 35978578, 89946445, 179892890]

約数ペア:

[(1, 179892890), (2, 89946445), (5, 35978578), (10, 17989289), (23, 7821430), (37, 4861970), (46, 3910715), (74, 2430985), (115, 1564286), (185, 972394), (230, 782143), (370, 486197), (851, 211390), (1702, 105695), (4255, 42278), (8510, 21139)]