202420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 441000

約数和(自身を除く): 238580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 580, 698, 1396, 1745, 3490, 6980, 10121, 20242, 40484, 50605, 101210, 202420]

約数ペア:

[(1, 202420), (2, 101210), (4, 50605), (5, 40484), (10, 20242), (20, 10121), (29, 6980), (58, 3490), (116, 1745), (145, 1396), (290, 698), (349, 580)]