208986790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^2\times {\mathrm{1759}}^1$

素因数の和:1984

約数の個数: 24

約数和(自身を含む): 379874880

約数和(自身を除く): 170888090

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1759, 3518, 8795, 11881, 17590, 23762, 59405, 118810, 191731, 383462, 958655, 1917310, 20898679, 41797358, 104493395, 208986790]

約数ペア:

[(1, 208986790), (2, 104493395), (5, 41797358), (10, 20898679), (109, 1917310), (218, 958655), (545, 383462), (1090, 191731), (1759, 118810), (3518, 59405), (8795, 23762), (11881, 17590)]