7221340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{51581}}^1$

素因数の和:51597

約数の個数: 24

約数和(自身を含む): 17331552

約数和(自身を除く): 10110212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 51581, 103162, 206324, 257905, 361067, 515810, 722134, 1031620, 1444268, 1805335, 3610670, 7221340]

約数ペア:

[(1, 7221340), (2, 3610670), (4, 1805335), (5, 1444268), (7, 1031620), (10, 722134), (14, 515810), (20, 361067), (28, 257905), (35, 206324), (70, 103162), (140, 51581)]