213932180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138917}}^1$

素因数の和:138944

約数の個数: 48

約数和(自身を含む): 560117376

約数和(自身を除く): 346185196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 138917, 277834, 555668, 694585, 972419, 1389170, 1528087, 1944838, 2778340, 3056174, 3889676, 4862095, 6112348, 7640435, 9724190, 10696609, 15280870, 19448380, 21393218, 30561740, 42786436, 53483045, 106966090, 213932180]

約数ペア:

[(1, 213932180), (2, 106966090), (4, 53483045), (5, 42786436), (7, 30561740), (10, 21393218), (11, 19448380), (14, 15280870), (20, 10696609), (22, 9724190), (28, 7640435), (35, 6112348), (44, 4862095), (55, 3889676), (70, 3056174), (77, 2778340), (110, 1944838), (140, 1528087), (154, 1389170), (220, 972419), (308, 694585), (385, 555668), (770, 277834), (1540, 138917)]