676400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 1729800

約数和(自身を除く): 1053400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 89, 95, 100, 152, 178, 190, 200, 304, 356, 380, 400, 445, 475, 712, 760, 890, 950, 1424, 1520, 1691, 1780, 1900, 2225, 3382, 3560, 3800, 4450, 6764, 7120, 7600, 8455, 8900, 13528, 16910, 17800, 27056, 33820, 35600, 42275, 67640, 84550, 135280, 169100, 338200, 676400]

約数ペア:

[(1, 676400), (2, 338200), (4, 169100), (5, 135280), (8, 84550), (10, 67640), (16, 42275), (19, 35600), (20, 33820), (25, 27056), (38, 17800), (40, 16910), (50, 13528), (76, 8900), (80, 8455), (89, 7600), (95, 7120), (100, 6764), (152, 4450), (178, 3800), (190, 3560), (200, 3382), (304, 2225), (356, 1900), (380, 1780), (400, 1691), (445, 1520), (475, 1424), (712, 950), (760, 890)]