29984120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 40777480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 389, 410, 470, 778, 820, 940, 1556, 1640, 1880, 1927, 1945, 3112, 3854, 3890, 7708, 7780, 9635, 15416, 15560, 15949, 18283, 19270, 31898, 36566, 38540, 63796, 73132, 77080, 79745, 91415, 127592, 146264, 159490, 182830, 318980, 365660, 637960, 731320, 749603, 1499206, 2998412, 3748015, 5996824, 7496030, 14992060, 29984120]

約数ペア:

[(1, 29984120), (2, 14992060), (4, 7496030), (5, 5996824), (8, 3748015), (10, 2998412), (20, 1499206), (40, 749603), (41, 731320), (47, 637960), (82, 365660), (94, 318980), (164, 182830), (188, 159490), (205, 146264), (235, 127592), (328, 91415), (376, 79745), (389, 77080), (410, 73132), (470, 63796), (778, 38540), (820, 36566), (940, 31898), (1556, 19270), (1640, 18283), (1880, 15949), (1927, 15560), (1945, 15416), (3112, 9635), (3854, 7780), (3890, 7708)]