138450140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 296944032

約数和(自身を除く): 158493892

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 277, 335, 373, 554, 670, 746, 1108, 1340, 1385, 1492, 1865, 2770, 3730, 5540, 7460, 18559, 24991, 37118, 49982, 74236, 92795, 99964, 103321, 124955, 185590, 206642, 249910, 371180, 413284, 499820, 516605, 1033210, 2066420, 6922507, 13845014, 27690028, 34612535, 69225070, 138450140]

約数ペア:

[(1, 138450140), (2, 69225070), (4, 34612535), (5, 27690028), (10, 13845014), (20, 6922507), (67, 2066420), (134, 1033210), (268, 516605), (277, 499820), (335, 413284), (373, 371180), (554, 249910), (670, 206642), (746, 185590), (1108, 124955), (1340, 103321), (1385, 99964), (1492, 92795), (1865, 74236), (2770, 49982), (3730, 37118), (5540, 24991), (7460, 18559)]