172078340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1229131}}^1$

素因数の和:1229147

約数の個数: 24

約数和(自身を含む): 412988352

約数和(自身を除く): 240910012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1229131, 2458262, 4916524, 6145655, 8603917, 12291310, 17207834, 24582620, 34415668, 43019585, 86039170, 172078340]

約数ペア:

[(1, 172078340), (2, 86039170), (4, 43019585), (5, 34415668), (7, 24582620), (10, 17207834), (14, 12291310), (20, 8603917), (28, 6145655), (35, 4916524), (70, 2458262), (140, 1229131)]