28771900

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1931}}^1$

素因数の和:2094

約数の個数: 36

約数和(自身を含む): 62886600

約数和(自身を除く): 34114700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 1931, 2980, 3725, 3862, 7450, 7724, 9655, 14900, 19310, 38620, 48275, 96550, 193100, 287719, 575438, 1150876, 1438595, 2877190, 5754380, 7192975, 14385950, 28771900]

約数ペア:

[(1, 28771900), (2, 14385950), (4, 7192975), (5, 5754380), (10, 2877190), (20, 1438595), (25, 1150876), (50, 575438), (100, 287719), (149, 193100), (298, 96550), (596, 48275), (745, 38620), (1490, 19310), (1931, 14900), (2980, 9655), (3725, 7724), (3862, 7450)]