334640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 803520

約数和(自身を除く): 468880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 752, 890, 940, 1424, 1780, 1880, 3560, 3760, 4183, 7120, 8366, 16732, 20915, 33464, 41830, 66928, 83660, 167320, 334640]

約数ペア:

[(1, 334640), (2, 167320), (4, 83660), (5, 66928), (8, 41830), (10, 33464), (16, 20915), (20, 16732), (40, 8366), (47, 7120), (80, 4183), (89, 3760), (94, 3560), (178, 1880), (188, 1780), (235, 1424), (356, 940), (376, 890), (445, 752), (470, 712)]