307493360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 729194400

約数和(自身を除く): 421701040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 179, 197, 218, 358, 394, 436, 545, 716, 788, 872, 895, 985, 1090, 1432, 1576, 1744, 1790, 1970, 2180, 2864, 3152, 3580, 3940, 4360, 7160, 7880, 8720, 14320, 15760, 19511, 21473, 35263, 39022, 42946, 70526, 78044, 85892, 97555, 107365, 141052, 156088, 171784, 176315, 195110, 214730, 282104, 312176, 343568, 352630, 390220, 429460, 564208, 705260, 780440, 858920, 1410520, 1560880, 1717840, 2821040, 3843667, 7687334, 15374668, 19218335, 30749336, 38436670, 61498672, 76873340, 153746680, 307493360]

約数ペア:

[(1, 307493360), (2, 153746680), (4, 76873340), (5, 61498672), (8, 38436670), (10, 30749336), (16, 19218335), (20, 15374668), (40, 7687334), (80, 3843667), (109, 2821040), (179, 1717840), (197, 1560880), (218, 1410520), (358, 858920), (394, 780440), (436, 705260), (545, 564208), (716, 429460), (788, 390220), (872, 352630), (895, 343568), (985, 312176), (1090, 282104), (1432, 214730), (1576, 195110), (1744, 176315), (1790, 171784), (1970, 156088), (2180, 141052), (2864, 107365), (3152, 97555), (3580, 85892), (3940, 78044), (4360, 70526), (7160, 42946), (7880, 39022), (8720, 35263), (14320, 21473), (15760, 19511)]