210345680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1404

約数の個数: 80

約数和(自身を含む): 511467264

約数和(自身を除く): 301121584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 688, 752, 860, 940, 1301, 1720, 1880, 2021, 2602, 3440, 3760, 4042, 5204, 6505, 8084, 10105, 10408, 13010, 16168, 20210, 20816, 26020, 32336, 40420, 52040, 55943, 61147, 80840, 104080, 111886, 122294, 161680, 223772, 244588, 279715, 305735, 447544, 489176, 559430, 611470, 895088, 978352, 1118860, 1222940, 2237720, 2445880, 2629321, 4475440, 4891760, 5258642, 10517284, 13146605, 21034568, 26293210, 42069136, 52586420, 105172840, 210345680]

約数ペア:

[(1, 210345680), (2, 105172840), (4, 52586420), (5, 42069136), (8, 26293210), (10, 21034568), (16, 13146605), (20, 10517284), (40, 5258642), (43, 4891760), (47, 4475440), (80, 2629321), (86, 2445880), (94, 2237720), (172, 1222940), (188, 1118860), (215, 978352), (235, 895088), (344, 611470), (376, 559430), (430, 489176), (470, 447544), (688, 305735), (752, 279715), (860, 244588), (940, 223772), (1301, 161680), (1720, 122294), (1880, 111886), (2021, 104080), (2602, 80840), (3440, 61147), (3760, 55943), (4042, 52040), (5204, 40420), (6505, 32336), (8084, 26020), (10105, 20816), (10408, 20210), (13010, 16168)]