720341434

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 1119398400

約数和(自身を除く): 399056966

約数列:

[1, 2, 71, 79, 142, 157, 158, 314, 409, 818, 5609, 11147, 11218, 12403, 22294, 24806, 29039, 32311, 58078, 64213, 64622, 128426, 880613, 1761226, 2294081, 4559123, 4588162, 5072827, 9118246, 10145654, 360170717, 720341434]

約数ペア:

[(1, 720341434), (2, 360170717), (71, 10145654), (79, 9118246), (142, 5072827), (157, 4588162), (158, 4559123), (314, 2294081), (409, 1761226), (818, 880613), (5609, 128426), (11147, 64622), (11218, 64213), (12403, 58078), (22294, 32311), (24806, 29039)]