80776990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{467}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 169979472

約数和(自身を除く): 89202482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 353, 467, 490, 706, 934, 1765, 2335, 2471, 3269, 3530, 4670, 4942, 6538, 12355, 16345, 17297, 22883, 24710, 32690, 34594, 45766, 86485, 114415, 164851, 172970, 228830, 329702, 824255, 1153957, 1648510, 2307914, 5769785, 8077699, 11539570, 16155398, 40388495, 80776990]

約数ペア:

[(1, 80776990), (2, 40388495), (5, 16155398), (7, 11539570), (10, 8077699), (14, 5769785), (35, 2307914), (49, 1648510), (70, 1153957), (98, 824255), (245, 329702), (353, 228830), (467, 172970), (490, 164851), (706, 114415), (934, 86485), (1765, 45766), (2335, 34594), (2471, 32690), (3269, 24710), (3530, 22883), (4670, 17297), (4942, 16345), (6538, 12355)]