201794980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{51217}}^1$

素因数の和:51423

約数の個数: 24

約数和(自身を含む): 425928888

約数和(自身を除く): 224133908

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 51217, 102434, 204868, 256085, 512170, 1024340, 10089749, 20179498, 40358996, 50448745, 100897490, 201794980]

約数ペア:

[(1, 201794980), (2, 100897490), (4, 50448745), (5, 40358996), (10, 20179498), (20, 10089749), (197, 1024340), (394, 512170), (788, 256085), (985, 204868), (1970, 102434), (3940, 51217)]