3988660220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{87509}}^1$

素因数の和:87614

約数の個数: 48

約数和(自身を含む): 8732797920

約数和(自身を除く): 4744137700

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 4558, 9116, 11395, 22790, 45580, 87509, 175018, 350036, 437545, 875090, 1750180, 3762887, 4637977, 7525774, 9275954, 15051548, 18551908, 18814435, 23189885, 37628870, 46379770, 75257740, 92759540, 199433011, 398866022, 797732044, 997165055, 1994330110, 3988660220]

約数ペア:

[(1, 3988660220), (2, 1994330110), (4, 997165055), (5, 797732044), (10, 398866022), (20, 199433011), (43, 92759540), (53, 75257740), (86, 46379770), (106, 37628870), (172, 23189885), (212, 18814435), (215, 18551908), (265, 15051548), (430, 9275954), (530, 7525774), (860, 4637977), (1060, 3762887), (2279, 1750180), (4558, 875090), (9116, 437545), (11395, 350036), (22790, 175018), (45580, 87509)]