71975080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^2$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 165214620

約数和(自身を除く): 93239540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 157, 292, 314, 365, 584, 628, 730, 785, 1256, 1460, 1570, 2920, 3140, 6280, 11461, 22922, 24649, 45844, 49298, 57305, 91688, 98596, 114610, 123245, 197192, 229220, 246490, 458440, 492980, 985960, 1799377, 3598754, 7197508, 8996885, 14395016, 17993770, 35987540, 71975080]

約数ペア:

[(1, 71975080), (2, 35987540), (4, 17993770), (5, 14395016), (8, 8996885), (10, 7197508), (20, 3598754), (40, 1799377), (73, 985960), (146, 492980), (157, 458440), (292, 246490), (314, 229220), (365, 197192), (584, 123245), (628, 114610), (730, 98596), (785, 91688), (1256, 57305), (1460, 49298), (1570, 45844), (2920, 24649), (3140, 22922), (6280, 11461)]