427709660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14479}}^1$

素因数の和:14706

約数の個数: 48

約数和(自身を含む): 1031439360

約数和(自身を除く): 603729700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14479, 14770, 28958, 29540, 57916, 72395, 101353, 144790, 202706, 289580, 405412, 506765, 1013530, 2027060, 3055069, 6110138, 12220276, 15275345, 21385483, 30550690, 42770966, 61101380, 85541932, 106927415, 213854830, 427709660]

約数ペア:

[(1, 427709660), (2, 213854830), (4, 106927415), (5, 85541932), (7, 61101380), (10, 42770966), (14, 30550690), (20, 21385483), (28, 15275345), (35, 12220276), (70, 6110138), (140, 3055069), (211, 2027060), (422, 1013530), (844, 506765), (1055, 405412), (1477, 289580), (2110, 202706), (2954, 144790), (4220, 101353), (5908, 72395), (7385, 57916), (14479, 29540), (14770, 28958)]