494540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 1055040

約数和(自身を除く): 560500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 313, 316, 395, 626, 790, 1252, 1565, 1580, 3130, 6260, 24727, 49454, 98908, 123635, 247270, 494540]

約数ペア:

[(1, 494540), (2, 247270), (4, 123635), (5, 98908), (10, 49454), (20, 24727), (79, 6260), (158, 3130), (313, 1580), (316, 1565), (395, 1252), (626, 790)]