221640400

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{4363}}^1$

素因数の和:4508

約数の個数: 60

約数和(自身を含む): 536806912

約数和(自身を除く): 315166512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 254, 400, 508, 635, 1016, 1270, 2032, 2540, 3175, 4363, 5080, 6350, 8726, 10160, 12700, 17452, 21815, 25400, 34904, 43630, 50800, 69808, 87260, 109075, 174520, 218150, 349040, 436300, 554101, 872600, 1108202, 1745200, 2216404, 2770505, 4432808, 5541010, 8865616, 11082020, 13852525, 22164040, 27705050, 44328080, 55410100, 110820200, 221640400]

約数ペア:

[(1, 221640400), (2, 110820200), (4, 55410100), (5, 44328080), (8, 27705050), (10, 22164040), (16, 13852525), (20, 11082020), (25, 8865616), (40, 5541010), (50, 4432808), (80, 2770505), (100, 2216404), (127, 1745200), (200, 1108202), (254, 872600), (400, 554101), (508, 436300), (635, 349040), (1016, 218150), (1270, 174520), (2032, 109075), (2540, 87260), (3175, 69808), (4363, 50800), (5080, 43630), (6350, 34904), (8726, 25400), (10160, 21815), (12700, 17452)]