28314580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 39987500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 769, 1052, 1315, 1538, 1841, 2630, 3076, 3682, 3845, 5260, 5383, 7364, 7690, 9205, 10766, 15380, 18410, 21532, 26915, 36820, 53830, 107660, 202247, 404494, 808988, 1011235, 1415729, 2022470, 2831458, 4044940, 5662916, 7078645, 14157290, 28314580]

約数ペア:

[(1, 28314580), (2, 14157290), (4, 7078645), (5, 5662916), (7, 4044940), (10, 2831458), (14, 2022470), (20, 1415729), (28, 1011235), (35, 808988), (70, 404494), (140, 202247), (263, 107660), (526, 53830), (769, 36820), (1052, 26915), (1315, 21532), (1538, 18410), (1841, 15380), (2630, 10766), (3076, 9205), (3682, 7690), (3845, 7364), (5260, 5383)]