172079740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1229141}}^1$

素因数の和:1229157

約数の個数: 24

約数和(自身を含む): 412991712

約数和(自身を除く): 240911972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1229141, 2458282, 4916564, 6145705, 8603987, 12291410, 17207974, 24582820, 34415948, 43019935, 86039870, 172079740]

約数ペア:

[(1, 172079740), (2, 86039870), (4, 43019935), (5, 34415948), (7, 24582820), (10, 17207974), (14, 12291410), (20, 8603987), (28, 6145705), (35, 4916564), (70, 2458282), (140, 1229141)]