12345740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3301}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 29955744

約数和(自身を除く): 17610004

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, 3301, 3740, 6602, 13204, 16505, 33010, 36311, 56117, 66020, 72622, 112234, 145244, 181555, 224468, 280585, 363110, 561170, 617287, 726220, 1122340, 1234574, 2469148, 3086435, 6172870, 12345740]

約数ペア:

[(1, 12345740), (2, 6172870), (4, 3086435), (5, 2469148), (10, 1234574), (11, 1122340), (17, 726220), (20, 617287), (22, 561170), (34, 363110), (44, 280585), (55, 224468), (68, 181555), (85, 145244), (110, 112234), (170, 72622), (187, 66020), (220, 56117), (340, 36311), (374, 33010), (748, 16505), (935, 13204), (1870, 6602), (3301, 3740)]