211719210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 518745600

約数和(自身を除く): 307026390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 157, 158, 237, 314, 395, 471, 474, 569, 785, 790, 942, 1138, 1185, 1570, 1707, 2355, 2370, 2845, 3414, 4710, 5690, 8535, 12403, 17070, 24806, 37209, 44951, 62015, 74418, 89333, 89902, 124030, 134853, 178666, 186045, 224755, 267999, 269706, 372090, 446665, 449510, 535998, 674265, 893330, 1339995, 1348530, 2679990, 7057307, 14114614, 21171921, 35286535, 42343842, 70573070, 105859605, 211719210]

約数ペア:

[(1, 211719210), (2, 105859605), (3, 70573070), (5, 42343842), (6, 35286535), (10, 21171921), (15, 14114614), (30, 7057307), (79, 2679990), (157, 1348530), (158, 1339995), (237, 893330), (314, 674265), (395, 535998), (471, 449510), (474, 446665), (569, 372090), (785, 269706), (790, 267999), (942, 224755), (1138, 186045), (1185, 178666), (1570, 134853), (1707, 124030), (2355, 89902), (2370, 89333), (2845, 74418), (3414, 62015), (4710, 44951), (5690, 37209), (8535, 24806), (12403, 17070)]