1794980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 4233600

約数和(自身を除く): 2438620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 199, 205, 220, 398, 410, 451, 796, 820, 902, 995, 1804, 1990, 2189, 2255, 3980, 4378, 4510, 8159, 8756, 9020, 10945, 16318, 21890, 32636, 40795, 43780, 81590, 89749, 163180, 179498, 358996, 448745, 897490, 1794980]

約数ペア:

[(1, 1794980), (2, 897490), (4, 448745), (5, 358996), (10, 179498), (11, 163180), (20, 89749), (22, 81590), (41, 43780), (44, 40795), (55, 32636), (82, 21890), (110, 16318), (164, 10945), (199, 9020), (205, 8756), (220, 8159), (398, 4510), (410, 4378), (451, 3980), (796, 2255), (820, 2189), (902, 1990), (995, 1804)]