845395540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349337}}^1$

素因数の和:349368

約数の個数: 36

約数和(自身を含む): 1951402068

約数和(自身を除く): 1106006528

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 349337, 698674, 1397348, 1746685, 3493370, 3842707, 6986740, 7685414, 15370828, 19213535, 38427070, 42269777, 76854140, 84539554, 169079108, 211348885, 422697770, 845395540]

約数ペア:

[(1, 845395540), (2, 422697770), (4, 211348885), (5, 169079108), (10, 84539554), (11, 76854140), (20, 42269777), (22, 38427070), (44, 19213535), (55, 15370828), (110, 7685414), (121, 6986740), (220, 3842707), (242, 3493370), (484, 1746685), (605, 1397348), (1210, 698674), (2420, 349337)]