1974940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2669924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 191, 220, 235, 382, 470, 517, 764, 940, 955, 1034, 1910, 2068, 2101, 2585, 3820, 4202, 5170, 8404, 8977, 10340, 10505, 17954, 21010, 35908, 42020, 44885, 89770, 98747, 179540, 197494, 394988, 493735, 987470, 1974940]

約数ペア:

[(1, 1974940), (2, 987470), (4, 493735), (5, 394988), (10, 197494), (11, 179540), (20, 98747), (22, 89770), (44, 44885), (47, 42020), (55, 35908), (94, 21010), (110, 17954), (188, 10505), (191, 10340), (220, 8977), (235, 8404), (382, 5170), (470, 4202), (517, 3820), (764, 2585), (940, 2101), (955, 2068), (1034, 1910)]