171818780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1227277}}^1$

素因数の和:1227293

約数の個数: 24

約数和(自身を含む): 412365408

約数和(自身を除く): 240546628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1227277, 2454554, 4909108, 6136385, 8590939, 12272770, 17181878, 24545540, 34363756, 42954695, 85909390, 171818780]

約数ペア:

[(1, 171818780), (2, 85909390), (4, 42954695), (5, 34363756), (7, 24545540), (10, 17181878), (14, 12272770), (20, 8590939), (28, 6136385), (35, 4909108), (70, 2454554), (140, 1227277)]