173849540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 373811760

約数和(自身を除く): 199962220

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 401, 409, 530, 802, 818, 1060, 1604, 1636, 2005, 2045, 4010, 4090, 8020, 8180, 21253, 21677, 42506, 43354, 85012, 86708, 106265, 108385, 164009, 212530, 216770, 328018, 425060, 433540, 656036, 820045, 1640090, 3280180, 8692477, 17384954, 34769908, 43462385, 86924770, 173849540]

約数ペア:

[(1, 173849540), (2, 86924770), (4, 43462385), (5, 34769908), (10, 17384954), (20, 8692477), (53, 3280180), (106, 1640090), (212, 820045), (265, 656036), (401, 433540), (409, 425060), (530, 328018), (802, 216770), (818, 212530), (1060, 164009), (1604, 108385), (1636, 106265), (2005, 86708), (2045, 85012), (4010, 43354), (4090, 42506), (8020, 21677), (8180, 21253)]