7491220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 18180288

約数和(自身を除く): 10689068

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2003, 3740, 4006, 8012, 10015, 20030, 22033, 34051, 40060, 44066, 68102, 88132, 110165, 136204, 170255, 220330, 340510, 374561, 440660, 681020, 749122, 1498244, 1872805, 3745610, 7491220]

約数ペア:

[(1, 7491220), (2, 3745610), (4, 1872805), (5, 1498244), (10, 749122), (11, 681020), (17, 440660), (20, 374561), (22, 340510), (34, 220330), (44, 170255), (55, 136204), (68, 110165), (85, 88132), (110, 68102), (170, 44066), (187, 40060), (220, 34051), (340, 22033), (374, 20030), (748, 10015), (935, 8012), (1870, 4006), (2003, 3740)]