28722700

素因数分解:

$2^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{823}}^1$

素因数の和:1186

約数の個数: 36

約数和(自身を含む): 62582800

約数和(自身を除く): 33860100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 349, 698, 823, 1396, 1646, 1745, 3292, 3490, 4115, 6980, 8230, 8725, 16460, 17450, 20575, 34900, 41150, 82300, 287227, 574454, 1148908, 1436135, 2872270, 5744540, 7180675, 14361350, 28722700]

約数ペア:

[(1, 28722700), (2, 14361350), (4, 7180675), (5, 5744540), (10, 2872270), (20, 1436135), (25, 1148908), (50, 574454), (100, 287227), (349, 82300), (698, 41150), (823, 34900), (1396, 20575), (1646, 17450), (1745, 16460), (3292, 8725), (3490, 8230), (4115, 6980)]