89889910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5879}}^1$

素因数の和:6036

約数の個数: 32

約数和(自身を含む): 177811200

約数和(自身を除く): 87921290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 5879, 7645, 11758, 15290, 29395, 58790, 64669, 129338, 323345, 646690, 817181, 1634362, 4085905, 8171810, 8988991, 17977982, 44944955, 89889910]

約数ペア:

[(1, 89889910), (2, 44944955), (5, 17977982), (10, 8988991), (11, 8171810), (22, 4085905), (55, 1634362), (110, 817181), (139, 646690), (278, 323345), (695, 129338), (1390, 64669), (1529, 58790), (3058, 29395), (5879, 15290), (7645, 11758)]