138425420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2801}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 333281088

約数和(自身を除く): 194855668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 2801, 3530, 4942, 5602, 7060, 9884, 11204, 12355, 14005, 19607, 24710, 28010, 39214, 49420, 56020, 78428, 98035, 196070, 392140, 988753, 1977506, 3955012, 4943765, 6921271, 9887530, 13842542, 19775060, 27685084, 34606355, 69212710, 138425420]

約数ペア:

[(1, 138425420), (2, 69212710), (4, 34606355), (5, 27685084), (7, 19775060), (10, 13842542), (14, 9887530), (20, 6921271), (28, 4943765), (35, 3955012), (70, 1977506), (140, 988753), (353, 392140), (706, 196070), (1412, 98035), (1765, 78428), (2471, 56020), (2801, 49420), (3530, 39214), (4942, 28010), (5602, 24710), (7060, 19607), (9884, 14005), (11204, 12355)]