156489340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159683}}^1$

素因数の和:159706

約数の個数: 36

約数和(自身を含む): 382283496

約数和(自身を除く): 225794156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159683, 319366, 638732, 798415, 1117781, 1596830, 2235562, 3193660, 4471124, 5588905, 7824467, 11177810, 15648934, 22355620, 31297868, 39122335, 78244670, 156489340]

約数ペア:

[(1, 156489340), (2, 78244670), (4, 39122335), (5, 31297868), (7, 22355620), (10, 15648934), (14, 11177810), (20, 7824467), (28, 5588905), (35, 4471124), (49, 3193660), (70, 2235562), (98, 1596830), (140, 1117781), (196, 798415), (245, 638732), (490, 319366), (980, 159683)]