78448190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 147091680

約数和(自身を除く): 68643490

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 785, 1570, 1723, 3446, 4553, 8615, 9106, 17230, 22765, 45530, 49967, 99934, 249835, 270511, 499670, 541022, 1352555, 2705110, 7844819, 15689638, 39224095, 78448190]

約数ペア:

[(1, 78448190), (2, 39224095), (5, 15689638), (10, 7844819), (29, 2705110), (58, 1352555), (145, 541022), (157, 499670), (290, 270511), (314, 249835), (785, 99934), (1570, 49967), (1723, 45530), (3446, 22765), (4553, 17230), (8615, 9106)]