63938740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 139474944

約数和(自身を除く): 75536204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 281, 310, 367, 562, 620, 734, 1124, 1405, 1468, 1835, 2810, 3670, 5620, 7340, 8711, 11377, 17422, 22754, 34844, 43555, 45508, 56885, 87110, 103127, 113770, 174220, 206254, 227540, 412508, 515635, 1031270, 2062540, 3196937, 6393874, 12787748, 15984685, 31969370, 63938740]

約数ペア:

[(1, 63938740), (2, 31969370), (4, 15984685), (5, 12787748), (10, 6393874), (20, 3196937), (31, 2062540), (62, 1031270), (124, 515635), (155, 412508), (281, 227540), (310, 206254), (367, 174220), (562, 113770), (620, 103127), (734, 87110), (1124, 56885), (1405, 45508), (1468, 43555), (1835, 34844), (2810, 22754), (3670, 17422), (5620, 11377), (7340, 8711)]