28765810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1499}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 55080000

約数和(自身を除く): 26314190

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1499, 1919, 2998, 3838, 7495, 9595, 14990, 19190, 28481, 56962, 142405, 151399, 284810, 302798, 756995, 1513990, 2876581, 5753162, 14382905, 28765810]

約数ペア:

[(1, 28765810), (2, 14382905), (5, 5753162), (10, 2876581), (19, 1513990), (38, 756995), (95, 302798), (101, 284810), (190, 151399), (202, 142405), (505, 56962), (1010, 28481), (1499, 19190), (1919, 14990), (2998, 9595), (3838, 7495)]