28960120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 74934720

約数和(自身を除く): 45974600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 353, 586, 706, 1172, 1412, 1465, 1765, 2051, 2344, 2471, 2824, 2930, 3530, 4102, 4942, 5860, 7060, 8204, 9884, 10255, 11720, 12355, 14120, 16408, 19768, 20510, 24710, 41020, 49420, 82040, 98840, 103429, 206858, 413716, 517145, 724003, 827432, 1034290, 1448006, 2068580, 2896012, 3620015, 4137160, 5792024, 7240030, 14480060, 28960120]

約数ペア:

[(1, 28960120), (2, 14480060), (4, 7240030), (5, 5792024), (7, 4137160), (8, 3620015), (10, 2896012), (14, 2068580), (20, 1448006), (28, 1034290), (35, 827432), (40, 724003), (56, 517145), (70, 413716), (140, 206858), (280, 103429), (293, 98840), (353, 82040), (586, 49420), (706, 41020), (1172, 24710), (1412, 20510), (1465, 19768), (1765, 16408), (2051, 14120), (2344, 12355), (2471, 11720), (2824, 10255), (2930, 9884), (3530, 8204), (4102, 7060), (4942, 5860)]