28807710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20431}}^1$

素因数の和:20488

約数の個数: 32

約数和(自身を含む): 70612992

約数和(自身を除く): 41805282

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 20431, 40862, 61293, 102155, 122586, 204310, 306465, 612930, 960257, 1920514, 2880771, 4801285, 5761542, 9602570, 14403855, 28807710]

約数ペア:

[(1, 28807710), (2, 14403855), (3, 9602570), (5, 5761542), (6, 4801285), (10, 2880771), (15, 1920514), (30, 960257), (47, 612930), (94, 306465), (141, 204310), (235, 122586), (282, 102155), (470, 61293), (705, 40862), (1410, 20431)]