3450860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^2$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 8335152

約数和(自身を除く): 4884292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 24649, 49298, 98596, 123245, 172543, 246490, 345086, 492980, 690172, 862715, 1725430, 3450860]

約数ペア:

[(1, 3450860), (2, 1725430), (4, 862715), (5, 690172), (7, 492980), (10, 345086), (14, 246490), (20, 172543), (28, 123245), (35, 98596), (70, 49298), (140, 24649), (157, 21980), (314, 10990), (628, 5495), (785, 4396), (1099, 3140), (1570, 2198)]