1255402420

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{198013}}^1$

素因数の和:198339

約数の個数: 24

約数和(自身を含む): 2644674984

約数和(自身を除く): 1389272564

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 198013, 396026, 792052, 990065, 1980130, 3960260, 62770121, 125540242, 251080484, 313850605, 627701210, 1255402420]

約数ペア:

[(1, 1255402420), (2, 627701210), (4, 313850605), (5, 251080484), (10, 125540242), (20, 62770121), (317, 3960260), (634, 1980130), (1268, 990065), (1585, 792052), (3170, 396026), (6340, 198013)]