16717820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2437}}^1$

素因数の和:2467

約数の個数: 48

約数和(自身を含む): 40958400

約数和(自身を除く): 24240580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2437, 3430, 4874, 6860, 9748, 12185, 17059, 24370, 34118, 48740, 68236, 85295, 119413, 170590, 238826, 341180, 477652, 597065, 835891, 1194130, 1671782, 2388260, 3343564, 4179455, 8358910, 16717820]

約数ペア:

[(1, 16717820), (2, 8358910), (4, 4179455), (5, 3343564), (7, 2388260), (10, 1671782), (14, 1194130), (20, 835891), (28, 597065), (35, 477652), (49, 341180), (70, 238826), (98, 170590), (140, 119413), (196, 85295), (245, 68236), (343, 48740), (490, 34118), (686, 24370), (980, 17059), (1372, 12185), (1715, 9748), (2437, 6860), (3430, 4874)]