886173860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{309851}}^1$

素因数の和:309884

約数の個数: 48

約数和(自身を含む): 2186315712

約数和(自身を除く): 1300141852

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 309851, 619702, 1239404, 1549255, 3098510, 3408361, 4028063, 6197020, 6816722, 8056126, 13633444, 16112252, 17041805, 20140315, 34083610, 40280630, 44308693, 68167220, 80561260, 88617386, 177234772, 221543465, 443086930, 886173860]

約数ペア:

[(1, 886173860), (2, 443086930), (4, 221543465), (5, 177234772), (10, 88617386), (11, 80561260), (13, 68167220), (20, 44308693), (22, 40280630), (26, 34083610), (44, 20140315), (52, 17041805), (55, 16112252), (65, 13633444), (110, 8056126), (130, 6816722), (143, 6197020), (220, 4028063), (260, 3408361), (286, 3098510), (572, 1549255), (715, 1239404), (1430, 619702), (2860, 309851)]