245749240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{558521}}^1$

素因数の和:558543

約数の個数: 32

約数和(自身を含む): 603203760

約数和(自身を除く): 357454520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 558521, 1117042, 2234084, 2792605, 4468168, 5585210, 6143731, 11170420, 12287462, 22340840, 24574924, 30718655, 49149848, 61437310, 122874620, 245749240]

約数ペア:

[(1, 245749240), (2, 122874620), (4, 61437310), (5, 49149848), (8, 30718655), (10, 24574924), (11, 22340840), (20, 12287462), (22, 11170420), (40, 6143731), (44, 5585210), (55, 4468168), (88, 2792605), (110, 2234084), (220, 1117042), (440, 558521)]