283051960

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{18191}}^1$

素因数の和:18591

約数の個数: 32

約数和(自身を含む): 638539200

約数和(自身を除く): 355487240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 18191, 36382, 72764, 90955, 145528, 181910, 363820, 727640, 7076299, 14152598, 28305196, 35381495, 56610392, 70762990, 141525980, 283051960]

約数ペア:

[(1, 283051960), (2, 141525980), (4, 70762990), (5, 56610392), (8, 35381495), (10, 28305196), (20, 14152598), (40, 7076299), (389, 727640), (778, 363820), (1556, 181910), (1945, 145528), (3112, 90955), (3890, 72764), (7780, 36382), (15560, 18191)]