4890100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 10763200

約数和(自身を除く): 5873100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 619, 790, 1238, 1580, 1975, 2476, 3095, 3950, 6190, 7900, 12380, 15475, 30950, 48901, 61900, 97802, 195604, 244505, 489010, 978020, 1222525, 2445050, 4890100]

約数ペア:

[(1, 4890100), (2, 2445050), (4, 1222525), (5, 978020), (10, 489010), (20, 244505), (25, 195604), (50, 97802), (79, 61900), (100, 48901), (158, 30950), (316, 15475), (395, 12380), (619, 7900), (790, 6190), (1238, 3950), (1580, 3095), (1975, 2476)]