126000280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{450001}}^1$

素因数の和:450019

約数の個数: 32

約数和(自身を含む): 324001440

約数和(自身を除く): 198001160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 450001, 900002, 1800004, 2250005, 3150007, 3600008, 4500010, 6300014, 9000020, 12600028, 15750035, 18000040, 25200056, 31500070, 63000140, 126000280]

約数ペア:

[(1, 126000280), (2, 63000140), (4, 31500070), (5, 25200056), (7, 18000040), (8, 15750035), (10, 12600028), (14, 9000020), (20, 6300014), (28, 4500010), (35, 3600008), (40, 3150007), (56, 2250005), (70, 1800004), (140, 900002), (280, 450001)]