317855320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{22511}}^1$

素因数の和:22875

約数の個数: 32

約数和(自身を含む): 717232320

約数和(自身を除く): 399377000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 22511, 45022, 90044, 112555, 180088, 225110, 450220, 900440, 7946383, 15892766, 31785532, 39731915, 63571064, 79463830, 158927660, 317855320]

約数ペア:

[(1, 317855320), (2, 158927660), (4, 79463830), (5, 63571064), (8, 39731915), (10, 31785532), (20, 15892766), (40, 7946383), (353, 900440), (706, 450220), (1412, 225110), (1765, 180088), (2824, 112555), (3530, 90044), (7060, 45022), (14120, 22511)]