238075280

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{4139}}^1$

素因数の和:4871

約数の個数: 40

約数和(自身を含む): 554428800

約数和(自身を除く): 316353520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 2876, 3595, 4139, 5752, 7190, 8278, 11504, 14380, 16556, 20695, 28760, 33112, 41390, 57520, 66224, 82780, 165560, 331120, 2975941, 5951882, 11903764, 14879705, 23807528, 29759410, 47615056, 59518820, 119037640, 238075280]

約数ペア:

[(1, 238075280), (2, 119037640), (4, 59518820), (5, 47615056), (8, 29759410), (10, 23807528), (16, 14879705), (20, 11903764), (40, 5951882), (80, 2975941), (719, 331120), (1438, 165560), (2876, 82780), (3595, 66224), (4139, 57520), (5752, 41390), (7190, 33112), (8278, 28760), (11504, 20695), (14380, 16556)]