28662100

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 62433504

約数和(自身を除く): 33771404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 647, 886, 1294, 1772, 2215, 2588, 3235, 4430, 6470, 8860, 11075, 12940, 16175, 22150, 32350, 44300, 64700, 286621, 573242, 1146484, 1433105, 2866210, 5732420, 7165525, 14331050, 28662100]

約数ペア:

[(1, 28662100), (2, 14331050), (4, 7165525), (5, 5732420), (10, 2866210), (20, 1433105), (25, 1146484), (50, 573242), (100, 286621), (443, 64700), (647, 44300), (886, 32350), (1294, 22150), (1772, 16175), (2215, 12940), (2588, 11075), (3235, 8860), (4430, 6470)]