201523780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12611}}^1$

素因数の和:12684

約数の個数: 48

約数和(自身を含む): 457664256

約数和(自身を除く): 256140476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 12611, 15980, 25222, 50444, 63055, 126110, 214387, 252220, 428774, 592717, 857548, 1071935, 1185434, 2143870, 2370868, 2963585, 4287740, 5927170, 10076189, 11854340, 20152378, 40304756, 50380945, 100761890, 201523780]

約数ペア:

[(1, 201523780), (2, 100761890), (4, 50380945), (5, 40304756), (10, 20152378), (17, 11854340), (20, 10076189), (34, 5927170), (47, 4287740), (68, 2963585), (85, 2370868), (94, 2143870), (170, 1185434), (188, 1071935), (235, 857548), (340, 592717), (470, 428774), (799, 252220), (940, 214387), (1598, 126110), (3196, 63055), (3995, 50444), (7990, 25222), (12611, 15980)]