208459780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9151}}^1$

素因数の和:9244

約数の個数: 48

約数和(自身を含む): 470486016

約数和(自身を除く): 262026236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 9151, 11390, 18302, 22780, 36604, 45755, 91510, 155567, 183020, 311134, 613117, 622268, 777835, 1226234, 1555670, 2452468, 3065585, 3111340, 6131170, 10422989, 12262340, 20845978, 41691956, 52114945, 104229890, 208459780]

約数ペア:

[(1, 208459780), (2, 104229890), (4, 52114945), (5, 41691956), (10, 20845978), (17, 12262340), (20, 10422989), (34, 6131170), (67, 3111340), (68, 3065585), (85, 2452468), (134, 1555670), (170, 1226234), (268, 777835), (335, 622268), (340, 613117), (670, 311134), (1139, 183020), (1340, 155567), (2278, 91510), (4556, 45755), (5695, 36604), (9151, 22780), (11390, 18302)]