307814020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{194819}}^1$

素因数の和:194907

約数の個数: 24

約数和(自身を含む): 654595200

約数和(自身を除く): 346781180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 194819, 389638, 779276, 974095, 1948190, 3896380, 15390701, 30781402, 61562804, 76953505, 153907010, 307814020]

約数ペア:

[(1, 307814020), (2, 153907010), (4, 76953505), (5, 61562804), (10, 30781402), (20, 15390701), (79, 3896380), (158, 1948190), (316, 974095), (395, 779276), (790, 389638), (1580, 194819)]