42877780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194899}}^1$

素因数の和:194919

約数の個数: 24

約数和(自身を含む): 98229600

約数和(自身を除く): 55351820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 194899, 389798, 779596, 974495, 1948990, 2143889, 3897980, 4287778, 8575556, 10719445, 21438890, 42877780]

約数ペア:

[(1, 42877780), (2, 21438890), (4, 10719445), (5, 8575556), (10, 4287778), (11, 3897980), (20, 2143889), (22, 1948990), (44, 974495), (55, 779596), (110, 389798), (220, 194899)]