489375460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3495539}}^1$

素因数の和:3495555

約数の個数: 24

約数和(自身を含む): 1174501440

約数和(自身を除く): 685125980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3495539, 6991078, 13982156, 17477695, 24468773, 34955390, 48937546, 69910780, 97875092, 122343865, 244687730, 489375460]

約数ペア:

[(1, 489375460), (2, 244687730), (4, 122343865), (5, 97875092), (7, 69910780), (10, 48937546), (14, 34955390), (20, 24468773), (28, 17477695), (35, 13982156), (70, 6991078), (140, 3495539)]