219859740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1221443}}^1$

素因数の和:1221458

約数の個数: 36

約数和(自身を含む): 666908424

約数和(自身を除く): 447048684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1221443, 2442886, 3664329, 4885772, 6107215, 7328658, 10992987, 12214430, 14657316, 18321645, 21985974, 24428860, 36643290, 43971948, 54964935, 73286580, 109929870, 219859740]

約数ペア:

[(1, 219859740), (2, 109929870), (3, 73286580), (4, 54964935), (5, 43971948), (6, 36643290), (9, 24428860), (10, 21985974), (12, 18321645), (15, 14657316), (18, 12214430), (20, 10992987), (30, 7328658), (36, 6107215), (45, 4885772), (60, 3664329), (90, 2442886), (180, 1221443)]