591280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 1450800

約数和(自身を除く): 859520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 389, 760, 778, 1520, 1556, 1945, 3112, 3890, 6224, 7391, 7780, 14782, 15560, 29564, 31120, 36955, 59128, 73910, 118256, 147820, 295640, 591280]

約数ペア:

[(1, 591280), (2, 295640), (4, 147820), (5, 118256), (8, 73910), (10, 59128), (16, 36955), (19, 31120), (20, 29564), (38, 15560), (40, 14782), (76, 7780), (80, 7391), (95, 6224), (152, 3890), (190, 3112), (304, 1945), (380, 1556), (389, 1520), (760, 778)]