219028540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2417}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 482594112

約数和(自身を除く): 263565572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 985, 1970, 2417, 3940, 4531, 4834, 9062, 9668, 12085, 18124, 22655, 24170, 45310, 48340, 55591, 90620, 111182, 222364, 277955, 476149, 555910, 952298, 1111820, 1904596, 2380745, 4761490, 9522980, 10951427, 21902854, 43805708, 54757135, 109514270, 219028540]

約数ペア:

[(1, 219028540), (2, 109514270), (4, 54757135), (5, 43805708), (10, 21902854), (20, 10951427), (23, 9522980), (46, 4761490), (92, 2380745), (115, 1904596), (197, 1111820), (230, 952298), (394, 555910), (460, 476149), (788, 277955), (985, 222364), (1970, 111182), (2417, 90620), (3940, 55591), (4531, 48340), (4834, 45310), (9062, 24170), (9668, 22655), (12085, 18124)]