1290910460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{196187}}^1$

素因数の和:196250

約数の個数: 48

約数和(自身を含む): 3164120064

約数和(自身を除く): 1873209604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 196187, 392374, 784748, 980935, 1373309, 1961870, 2746618, 3923740, 5493236, 6866545, 9220789, 13733090, 18441578, 27466180, 36883156, 46103945, 64545523, 92207890, 129091046, 184415780, 258182092, 322727615, 645455230, 1290910460]

約数ペア:

[(1, 1290910460), (2, 645455230), (4, 322727615), (5, 258182092), (7, 184415780), (10, 129091046), (14, 92207890), (20, 64545523), (28, 46103945), (35, 36883156), (47, 27466180), (70, 18441578), (94, 13733090), (140, 9220789), (188, 6866545), (235, 5493236), (329, 3923740), (470, 2746618), (658, 1961870), (940, 1373309), (1316, 980935), (1645, 784748), (3290, 392374), (6580, 196187)]