206534180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 457988160

約数和(自身を除く): 251453980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 421, 842, 1291, 1684, 2105, 2582, 4210, 5164, 6455, 7999, 8420, 12910, 15998, 24529, 25820, 31996, 39995, 49058, 79990, 98116, 122645, 159980, 245290, 490580, 543511, 1087022, 2174044, 2717555, 5435110, 10326709, 10870220, 20653418, 41306836, 51633545, 103267090, 206534180]

約数ペア:

[(1, 206534180), (2, 103267090), (4, 51633545), (5, 41306836), (10, 20653418), (19, 10870220), (20, 10326709), (38, 5435110), (76, 2717555), (95, 2174044), (190, 1087022), (380, 543511), (421, 490580), (842, 245290), (1291, 159980), (1684, 122645), (2105, 98116), (2582, 79990), (4210, 49058), (5164, 39995), (6455, 31996), (7999, 25820), (8420, 24529), (12910, 15998)]