200530540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204623}}^1$

素因数の和:204646

約数の個数: 36

約数和(自身を含む): 489869856

約数和(自身を除く): 289339316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204623, 409246, 818492, 1023115, 1432361, 2046230, 2864722, 4092460, 5729444, 7161805, 10026527, 14323610, 20053054, 28647220, 40106108, 50132635, 100265270, 200530540]

約数ペア:

[(1, 200530540), (2, 100265270), (4, 50132635), (5, 40106108), (7, 28647220), (10, 20053054), (14, 14323610), (20, 10026527), (28, 7161805), (35, 5729444), (49, 4092460), (70, 2864722), (98, 2046230), (140, 1432361), (196, 1023115), (245, 818492), (490, 409246), (980, 204623)]