2290090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2271830

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 191, 218, 382, 545, 955, 1090, 1199, 1910, 2101, 2398, 4202, 5995, 10505, 11990, 20819, 21010, 41638, 104095, 208190, 229009, 458018, 1145045, 2290090]

約数ペア:

[(1, 2290090), (2, 1145045), (5, 458018), (10, 229009), (11, 208190), (22, 104095), (55, 41638), (109, 21010), (110, 20819), (191, 11990), (218, 10505), (382, 5995), (545, 4202), (955, 2398), (1090, 2101), (1199, 1910)]