200285320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 261609080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 109, 142, 218, 284, 355, 436, 545, 568, 647, 710, 872, 1090, 1294, 1420, 2180, 2588, 2840, 3235, 4360, 5176, 6470, 7739, 12940, 15478, 25880, 30956, 38695, 45937, 61912, 70523, 77390, 91874, 141046, 154780, 183748, 229685, 282092, 309560, 352615, 367496, 459370, 564184, 705230, 918740, 1410460, 1837480, 2820920, 5007133, 10014266, 20028532, 25035665, 40057064, 50071330, 100142660, 200285320]

約数ペア:

[(1, 200285320), (2, 100142660), (4, 50071330), (5, 40057064), (8, 25035665), (10, 20028532), (20, 10014266), (40, 5007133), (71, 2820920), (109, 1837480), (142, 1410460), (218, 918740), (284, 705230), (355, 564184), (436, 459370), (545, 367496), (568, 352615), (647, 309560), (710, 282092), (872, 229685), (1090, 183748), (1294, 154780), (1420, 141046), (2180, 91874), (2588, 77390), (2840, 70523), (3235, 61912), (4360, 45937), (5176, 38695), (6470, 30956), (7739, 25880), (12940, 15478)]