206217340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1472981}}^1$

素因数の和:1472997

約数の個数: 24

約数和(自身を含む): 494921952

約数和(自身を除く): 288704612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1472981, 2945962, 5891924, 7364905, 10310867, 14729810, 20621734, 29459620, 41243468, 51554335, 103108670, 206217340]

約数ペア:

[(1, 206217340), (2, 103108670), (4, 51554335), (5, 41243468), (7, 29459620), (10, 20621734), (14, 14729810), (20, 10310867), (28, 7364905), (35, 5891924), (70, 2945962), (140, 1472981)]