1217503870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{769}}^1$

素因数の和:1213

約数の個数: 64

約数和(自身を含む): 2464862400

約数和(自身を除く): 1247358530

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 389, 407, 769, 778, 814, 1538, 1945, 2035, 3845, 3890, 4070, 4279, 7690, 8459, 8558, 14393, 16918, 21395, 28453, 28786, 42295, 42790, 56906, 71965, 84590, 142265, 143930, 158323, 284530, 299141, 312983, 316646, 598282, 625966, 791615, 1495705, 1564915, 1583230, 2991410, 3129830, 3290551, 6581102, 11068217, 16452755, 22136434, 32905510, 55341085, 110682170, 121750387, 243500774, 608751935, 1217503870]

約数ペア:

[(1, 1217503870), (2, 608751935), (5, 243500774), (10, 121750387), (11, 110682170), (22, 55341085), (37, 32905510), (55, 22136434), (74, 16452755), (110, 11068217), (185, 6581102), (370, 3290551), (389, 3129830), (407, 2991410), (769, 1583230), (778, 1564915), (814, 1495705), (1538, 791615), (1945, 625966), (2035, 598282), (3845, 316646), (3890, 312983), (4070, 299141), (4279, 284530), (7690, 158323), (8459, 143930), (8558, 142265), (14393, 84590), (16918, 71965), (21395, 56906), (28453, 42790), (28786, 42295)]