64818460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4450

約数の個数: 48

約数和(自身を含む): 157054464

約数和(自身を除く): 92236004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 4327, 7490, 8654, 14980, 17308, 21635, 30289, 43270, 60578, 86540, 121156, 151445, 302890, 462989, 605780, 925978, 1851956, 2314945, 3240923, 4629890, 6481846, 9259780, 12963692, 16204615, 32409230, 64818460]

約数ペア:

[(1, 64818460), (2, 32409230), (4, 16204615), (5, 12963692), (7, 9259780), (10, 6481846), (14, 4629890), (20, 3240923), (28, 2314945), (35, 1851956), (70, 925978), (107, 605780), (140, 462989), (214, 302890), (428, 151445), (535, 121156), (749, 86540), (1070, 60578), (1498, 43270), (2140, 30289), (2996, 21635), (3745, 17308), (4327, 14980), (7490, 8654)]