309031660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2207369}}^1$

素因数の和:2207385

約数の個数: 24

約数和(自身を含む): 741676320

約数和(自身を除く): 432644660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2207369, 4414738, 8829476, 11036845, 15451583, 22073690, 30903166, 44147380, 61806332, 77257915, 154515830, 309031660]

約数ペア:

[(1, 309031660), (2, 154515830), (4, 77257915), (5, 61806332), (7, 44147380), (10, 30903166), (14, 22073690), (20, 15451583), (28, 11036845), (35, 8829476), (70, 4414738), (140, 2207369)]