213845140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{84191}}^1$

素因数の和:84327

約数の個数: 24

約数和(自身を含む): 452616192

約数和(自身を除く): 238771052

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 84191, 168382, 336764, 420955, 841910, 1683820, 10692257, 21384514, 42769028, 53461285, 106922570, 213845140]

約数ペア:

[(1, 213845140), (2, 106922570), (4, 53461285), (5, 42769028), (10, 21384514), (20, 10692257), (127, 1683820), (254, 841910), (508, 420955), (635, 336764), (1270, 168382), (2540, 84191)]