418294580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{172849}}^1$

素因数の和:172880

約数の個数: 36

約数和(自身を含む): 965540100

約数和(自身を除く): 547245520

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 172849, 345698, 691396, 864245, 1728490, 1901339, 3456980, 3802678, 7605356, 9506695, 19013390, 20914729, 38026780, 41829458, 83658916, 104573645, 209147290, 418294580]

約数ペア:

[(1, 418294580), (2, 209147290), (4, 104573645), (5, 83658916), (10, 41829458), (11, 38026780), (20, 20914729), (22, 19013390), (44, 9506695), (55, 7605356), (110, 3802678), (121, 3456980), (220, 1901339), (242, 1728490), (484, 864245), (605, 691396), (1210, 345698), (2420, 172849)]