1905820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13613}}^1$

素因数の和:13629

約数の個数: 24

約数和(自身を含む): 4574304

約数和(自身を除く): 2668484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13613, 27226, 54452, 68065, 95291, 136130, 190582, 272260, 381164, 476455, 952910, 1905820]

約数ペア:

[(1, 1905820), (2, 952910), (4, 476455), (5, 381164), (7, 272260), (10, 190582), (14, 136130), (20, 95291), (28, 68065), (35, 54452), (70, 27226), (140, 13613)]