311091340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{4639}}^1$

素因数の和:5134

約数の個数: 48

約数和(自身を含む): 748339200

約数和(自身を除く): 437247860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 958, 1916, 2395, 3353, 4639, 4790, 6706, 9278, 9580, 13412, 16765, 18556, 23195, 32473, 33530, 46390, 64946, 67060, 92780, 129892, 162365, 324730, 649460, 2222081, 4444162, 8888324, 11110405, 15554567, 22220810, 31109134, 44441620, 62218268, 77772835, 155545670, 311091340]

約数ペア:

[(1, 311091340), (2, 155545670), (4, 77772835), (5, 62218268), (7, 44441620), (10, 31109134), (14, 22220810), (20, 15554567), (28, 11110405), (35, 8888324), (70, 4444162), (140, 2222081), (479, 649460), (958, 324730), (1916, 162365), (2395, 129892), (3353, 92780), (4639, 67060), (4790, 64946), (6706, 46390), (9278, 33530), (9580, 32473), (13412, 23195), (16765, 18556)]