199899145

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{1499}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 243000000

約数和(自身を除く): 43100855

約数列:

[1, 5, 149, 179, 745, 895, 1499, 7495, 26671, 133355, 223351, 268321, 1116755, 1341605, 39979829, 199899145]

約数ペア:

[(1, 199899145), (5, 39979829), (149, 1341605), (179, 1116755), (745, 268321), (895, 223351), (1499, 133355), (7495, 26671)]