868081412020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1\times {\mathrm{412967}}^1$

素因数の和:414760

約数の個数: 48

約数和(自身を含む): 1853935590528

約数和(自身を除く): 985854178508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1723, 3446, 6892, 8615, 17230, 34460, 105103, 210206, 412967, 420412, 525515, 825934, 1051030, 1651868, 2064835, 2102060, 4129670, 8259340, 25190987, 50381974, 100763948, 125954935, 251909870, 503819740, 711542141, 1423084282, 2846168564, 3557710705, 7115421410, 14230842820, 43404070601, 86808141202, 173616282404, 217020353005, 434040706010, 868081412020]

約数ペア:

[(1, 868081412020), (2, 434040706010), (4, 217020353005), (5, 173616282404), (10, 86808141202), (20, 43404070601), (61, 14230842820), (122, 7115421410), (244, 3557710705), (305, 2846168564), (610, 1423084282), (1220, 711542141), (1723, 503819740), (3446, 251909870), (6892, 125954935), (8615, 100763948), (17230, 50381974), (34460, 25190987), (105103, 8259340), (210206, 4129670), (412967, 2102060), (420412, 2064835), (525515, 1651868), (825934, 1051030)]