178545460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7159}}^1$

素因数の和:7240

約数の個数: 48

約数和(自身を含む): 396950400

約数和(自身を除く): 218404940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 7159, 12470, 14318, 24940, 28636, 35795, 71590, 143180, 207611, 307837, 415222, 615674, 830444, 1038055, 1231348, 1539185, 2076110, 3078370, 4152220, 6156740, 8927273, 17854546, 35709092, 44636365, 89272730, 178545460]

約数ペア:

[(1, 178545460), (2, 89272730), (4, 44636365), (5, 35709092), (10, 17854546), (20, 8927273), (29, 6156740), (43, 4152220), (58, 3078370), (86, 2076110), (116, 1539185), (145, 1231348), (172, 1038055), (215, 830444), (290, 615674), (430, 415222), (580, 307837), (860, 207611), (1247, 143180), (2494, 71590), (4988, 35795), (6235, 28636), (7159, 24940), (12470, 14318)]