279791710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 573350400

約数和(自身を除く): 293558690

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 139, 145, 278, 290, 319, 631, 638, 695, 1262, 1390, 1529, 1595, 3058, 3155, 3190, 4031, 6310, 6941, 7645, 8062, 13882, 15290, 18299, 20155, 34705, 36598, 40310, 44341, 69410, 87709, 88682, 91495, 175418, 182990, 201289, 221705, 402578, 438545, 443410, 877090, 964799, 1006445, 1929598, 2012890, 2543561, 4823995, 5087122, 9647990, 12717805, 25435610, 27979171, 55958342, 139895855, 279791710]

約数ペア:

[(1, 279791710), (2, 139895855), (5, 55958342), (10, 27979171), (11, 25435610), (22, 12717805), (29, 9647990), (55, 5087122), (58, 4823995), (110, 2543561), (139, 2012890), (145, 1929598), (278, 1006445), (290, 964799), (319, 877090), (631, 443410), (638, 438545), (695, 402578), (1262, 221705), (1390, 201289), (1529, 182990), (1595, 175418), (3058, 91495), (3155, 88682), (3190, 87709), (4031, 69410), (6310, 44341), (6941, 40310), (7645, 36598), (8062, 34705), (13882, 20155), (15290, 18299)]