7774780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10853060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1759, 2210, 3518, 4420, 7036, 8795, 17590, 22867, 29903, 35180, 45734, 59806, 91468, 114335, 119612, 149515, 228670, 299030, 388739, 457340, 598060, 777478, 1554956, 1943695, 3887390, 7774780]

約数ペア:

[(1, 7774780), (2, 3887390), (4, 1943695), (5, 1554956), (10, 777478), (13, 598060), (17, 457340), (20, 388739), (26, 299030), (34, 228670), (52, 149515), (65, 119612), (68, 114335), (85, 91468), (130, 59806), (170, 45734), (221, 35180), (260, 29903), (340, 22867), (442, 17590), (884, 8795), (1105, 7036), (1759, 4420), (2210, 3518)]