344680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1231}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 887040

約数和(自身を除く): 542360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1231, 2462, 4924, 6155, 8617, 9848, 12310, 17234, 24620, 34468, 43085, 49240, 68936, 86170, 172340, 344680]

約数ペア:

[(1, 344680), (2, 172340), (4, 86170), (5, 68936), (7, 49240), (8, 43085), (10, 34468), (14, 24620), (20, 17234), (28, 12310), (35, 9848), (40, 8617), (56, 6155), (70, 4924), (140, 2462), (280, 1231)]