212824780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14759}}^1$

素因数の和:14878

約数の個数: 48

約数和(自身を含む): 515773440

約数和(自身を除く): 302948660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 14759, 29518, 59036, 73795, 103313, 147590, 206626, 295180, 413252, 516565, 1033130, 1520177, 2066260, 3040354, 6080708, 7600885, 10641239, 15201770, 21282478, 30403540, 42564956, 53206195, 106412390, 212824780]

約数ペア:

[(1, 212824780), (2, 106412390), (4, 53206195), (5, 42564956), (7, 30403540), (10, 21282478), (14, 15201770), (20, 10641239), (28, 7600885), (35, 6080708), (70, 3040354), (103, 2066260), (140, 1520177), (206, 1033130), (412, 516565), (515, 413252), (721, 295180), (1030, 206626), (1442, 147590), (2060, 103313), (2884, 73795), (3605, 59036), (7210, 29518), (14420, 14759)]