206869460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1477639}}^1$

素因数の和:1477655

約数の個数: 24

約数和(自身を含む): 496487040

約数和(自身を除く): 289617580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1477639, 2955278, 5910556, 7388195, 10343473, 14776390, 20686946, 29552780, 41373892, 51717365, 103434730, 206869460]

約数ペア:

[(1, 206869460), (2, 103434730), (4, 51717365), (5, 41373892), (7, 29552780), (10, 20686946), (14, 14776390), (20, 10343473), (28, 7388195), (35, 5910556), (70, 2955278), (140, 1477639)]