2189864740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{20663}}^1$

素因数の和:21436

約数の個数: 48

約数和(自身を含む): 5262872832

約数和(自身を除く): 3073008092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 757, 1514, 3028, 3785, 5299, 7570, 10598, 15140, 20663, 21196, 26495, 41326, 52990, 82652, 103315, 105980, 144641, 206630, 289282, 413260, 578564, 723205, 1446410, 2892820, 15641891, 31283782, 62567564, 78209455, 109493237, 156418910, 218986474, 312837820, 437972948, 547466185, 1094932370, 2189864740]

約数ペア:

[(1, 2189864740), (2, 1094932370), (4, 547466185), (5, 437972948), (7, 312837820), (10, 218986474), (14, 156418910), (20, 109493237), (28, 78209455), (35, 62567564), (70, 31283782), (140, 15641891), (757, 2892820), (1514, 1446410), (3028, 723205), (3785, 578564), (5299, 413260), (7570, 289282), (10598, 206630), (15140, 144641), (20663, 105980), (21196, 103315), (26495, 82652), (41326, 52990)]