28853780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75931}}^1$

素因数の和:75959

約数の個数: 24

約数和(自身を含む): 63782880

約数和(自身を除く): 34929100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75931, 151862, 303724, 379655, 759310, 1442689, 1518620, 2885378, 5770756, 7213445, 14426890, 28853780]

約数ペア:

[(1, 28853780), (2, 14426890), (4, 7213445), (5, 5770756), (10, 2885378), (19, 1518620), (20, 1442689), (38, 759310), (76, 379655), (95, 303724), (190, 151862), (380, 75931)]