12398950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 12911930

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 290, 425, 493, 503, 725, 850, 986, 1006, 1450, 2465, 2515, 4930, 5030, 8551, 12325, 12575, 14587, 17102, 24650, 25150, 29174, 42755, 72935, 85510, 145870, 213775, 247979, 364675, 427550, 495958, 729350, 1239895, 2479790, 6199475, 12398950]

約数ペア:

[(1, 12398950), (2, 6199475), (5, 2479790), (10, 1239895), (17, 729350), (25, 495958), (29, 427550), (34, 364675), (50, 247979), (58, 213775), (85, 145870), (145, 85510), (170, 72935), (290, 42755), (425, 29174), (493, 25150), (503, 24650), (725, 17102), (850, 14587), (986, 12575), (1006, 12325), (1450, 8551), (2465, 5030), (2515, 4930)]