78782260

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26437}}^1$

素因数の和:26595

約数の個数: 24

約数和(自身を含む): 166559400

約数和(自身を除く): 87777140

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 26437, 52874, 105748, 132185, 264370, 528740, 3939113, 7878226, 15756452, 19695565, 39391130, 78782260]

約数ペア:

[(1, 78782260), (2, 39391130), (4, 19695565), (5, 15756452), (10, 7878226), (20, 3939113), (149, 528740), (298, 264370), (596, 132185), (745, 105748), (1490, 52874), (2980, 26437)]