31500070

素因数分解:

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

素因数の和:450015

約数の個数: 16

約数和(自身を含む): 64800288

約数和(自身を除く): 33300218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 450001, 900002, 2250005, 3150007, 4500010, 6300014, 15750035, 31500070]

約数ペア:

[(1, 31500070), (2, 15750035), (5, 6300014), (7, 4500010), (10, 3150007), (14, 2250005), (35, 900002), (70, 450001)]