31004540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221461}}^1$

素因数の和:221477

約数の個数: 24

約数和(自身を含む): 74411232

約数和(自身を除く): 43406692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221461, 442922, 885844, 1107305, 1550227, 2214610, 3100454, 4429220, 6200908, 7751135, 15502270, 31004540]

約数ペア:

[(1, 31004540), (2, 15502270), (4, 7751135), (5, 6200908), (7, 4429220), (10, 3100454), (14, 2214610), (20, 1550227), (28, 1107305), (35, 885844), (70, 442922), (140, 221461)]