30986690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2473}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 64126080

約数和(自身を除く): 33139390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2473, 2506, 4946, 6265, 12365, 12530, 17311, 24730, 34622, 86555, 173110, 442667, 885334, 2213335, 3098669, 4426670, 6197338, 15493345, 30986690]

約数ペア:

[(1, 30986690), (2, 15493345), (5, 6197338), (7, 4426670), (10, 3098669), (14, 2213335), (35, 885334), (70, 442667), (179, 173110), (358, 86555), (895, 34622), (1253, 24730), (1790, 17311), (2473, 12530), (2506, 12365), (4946, 6265)]