199170280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68209}}^1$

素因数の和:68293

約数の個数: 32

約数和(自身を含む): 454278600

約数和(自身を除く): 255108320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68209, 136418, 272836, 341045, 545672, 682090, 1364180, 2728360, 4979257, 9958514, 19917028, 24896285, 39834056, 49792570, 99585140, 199170280]

約数ペア:

[(1, 199170280), (2, 99585140), (4, 49792570), (5, 39834056), (8, 24896285), (10, 19917028), (20, 9958514), (40, 4979257), (73, 2728360), (146, 1364180), (292, 682090), (365, 545672), (584, 341045), (730, 272836), (1460, 136418), (2920, 68209)]