28952875

素因数分解:

$5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 14795765

約数列:

[1, 5, 7, 25, 29, 35, 49, 125, 145, 163, 175, 203, 245, 725, 815, 875, 1015, 1141, 1225, 1421, 3625, 4075, 4727, 5075, 5705, 6125, 7105, 7987, 20375, 23635, 25375, 28525, 33089, 35525, 39935, 118175, 142625, 165445, 177625, 199675, 231623, 590875, 827225, 998375, 1158115, 4136125, 5790575, 28952875]

約数ペア:

[(1, 28952875), (5, 5790575), (7, 4136125), (25, 1158115), (29, 998375), (35, 827225), (49, 590875), (125, 231623), (145, 199675), (163, 177625), (175, 165445), (203, 142625), (245, 118175), (725, 39935), (815, 35525), (875, 33089), (1015, 28525), (1141, 25375), (1225, 23635), (1421, 20375), (3625, 7987), (4075, 7105), (4727, 6125), (5075, 5705)]