84491260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6781}}^1$

素因数の和:6886

約数の個数: 48

約数和(自身を含む): 205087680

約数和(自身を除く): 120596420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6781, 12460, 13562, 27124, 33905, 47467, 67810, 94934, 135620, 189868, 237335, 474670, 603509, 949340, 1207018, 2414036, 3017545, 4224563, 6035090, 8449126, 12070180, 16898252, 21122815, 42245630, 84491260]

約数ペア:

[(1, 84491260), (2, 42245630), (4, 21122815), (5, 16898252), (7, 12070180), (10, 8449126), (14, 6035090), (20, 4224563), (28, 3017545), (35, 2414036), (70, 1207018), (89, 949340), (140, 603509), (178, 474670), (356, 237335), (445, 189868), (623, 135620), (890, 94934), (1246, 67810), (1780, 47467), (2492, 33905), (3115, 27124), (6230, 13562), (6781, 12460)]