205121300

素因数分解:

$2^2\times 5^2\times {\mathrm{601}}^1\times {\mathrm{3413}}^1$

素因数の和:4028

約数の個数: 36

約数和(自身を含む): 445984476

約数和(自身を除く): 240863176

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 601, 1202, 2404, 3005, 3413, 6010, 6826, 12020, 13652, 15025, 17065, 30050, 34130, 60100, 68260, 85325, 170650, 341300, 2051213, 4102426, 8204852, 10256065, 20512130, 41024260, 51280325, 102560650, 205121300]

約数ペア:

[(1, 205121300), (2, 102560650), (4, 51280325), (5, 41024260), (10, 20512130), (20, 10256065), (25, 8204852), (50, 4102426), (100, 2051213), (601, 341300), (1202, 170650), (2404, 85325), (3005, 68260), (3413, 60100), (6010, 34130), (6826, 30050), (12020, 17065), (13652, 15025)]