1669340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2201380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 191, 230, 380, 382, 437, 460, 764, 874, 955, 1748, 1910, 2185, 3629, 3820, 4370, 4393, 7258, 8740, 8786, 14516, 17572, 18145, 21965, 36290, 43930, 72580, 83467, 87860, 166934, 333868, 417335, 834670, 1669340]

約数ペア:

[(1, 1669340), (2, 834670), (4, 417335), (5, 333868), (10, 166934), (19, 87860), (20, 83467), (23, 72580), (38, 43930), (46, 36290), (76, 21965), (92, 18145), (95, 17572), (115, 14516), (190, 8786), (191, 8740), (230, 7258), (380, 4393), (382, 4370), (437, 3820), (460, 3629), (764, 2185), (874, 1910), (955, 1748)]