212240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 565440

約数和(自身を除く): 353200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 379, 560, 758, 1516, 1895, 2653, 3032, 3790, 5306, 6064, 7580, 10612, 13265, 15160, 21224, 26530, 30320, 42448, 53060, 106120, 212240]

約数ペア:

[(1, 212240), (2, 106120), (4, 53060), (5, 42448), (7, 30320), (8, 26530), (10, 21224), (14, 15160), (16, 13265), (20, 10612), (28, 7580), (35, 6064), (40, 5306), (56, 3790), (70, 3032), (80, 2653), (112, 1895), (140, 1516), (280, 758), (379, 560)]