198479825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5449}}^1$

素因数の和:5537

約数の個数: 24

約数和(自身を含む): 259507200

約数和(自身を除く): 61027375

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 5449, 7285, 27245, 36425, 136225, 168919, 256103, 844595, 1280515, 4222975, 6402575, 7939193, 39695965, 198479825]

約数ペア:

[(1, 198479825), (5, 39695965), (25, 7939193), (31, 6402575), (47, 4222975), (155, 1280515), (235, 844595), (775, 256103), (1175, 168919), (1457, 136225), (5449, 36425), (7285, 27245)]