386803760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{690721}}^1$

素因数の和:690741

約数の個数: 40

約数和(自身を含む): 1027794336

約数和(自身を除く): 640990576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 690721, 1381442, 2762884, 3453605, 4835047, 5525768, 6907210, 9670094, 11051536, 13814420, 19340188, 24175235, 27628840, 38680376, 48350470, 55257680, 77360752, 96700940, 193401880, 386803760]

約数ペア:

[(1, 386803760), (2, 193401880), (4, 96700940), (5, 77360752), (7, 55257680), (8, 48350470), (10, 38680376), (14, 27628840), (16, 24175235), (20, 19340188), (28, 13814420), (35, 11051536), (40, 9670094), (56, 6907210), (70, 5525768), (80, 4835047), (112, 3453605), (140, 2762884), (280, 1381442), (560, 690721)]