218085280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27817}}^1$

素因数の和:27846

約数の個数: 72

約数和(自身を含む): 599366628

約数和(自身を除く): 381281348

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 27817, 55634, 111268, 139085, 194719, 222536, 278170, 389438, 445072, 556340, 778876, 890144, 973595, 1112680, 1363033, 1557752, 1947190, 2225360, 2726066, 3115504, 3894380, 4450720, 5452132, 6231008, 6815165, 7788760, 10904264, 13630330, 15577520, 21808528, 27260660, 31155040, 43617056, 54521320, 109042640, 218085280]

約数ペア:

[(1, 218085280), (2, 109042640), (4, 54521320), (5, 43617056), (7, 31155040), (8, 27260660), (10, 21808528), (14, 15577520), (16, 13630330), (20, 10904264), (28, 7788760), (32, 6815165), (35, 6231008), (40, 5452132), (49, 4450720), (56, 3894380), (70, 3115504), (80, 2726066), (98, 2225360), (112, 1947190), (140, 1557752), (160, 1363033), (196, 1112680), (224, 973595), (245, 890144), (280, 778876), (392, 556340), (490, 445072), (560, 389438), (784, 278170), (980, 222536), (1120, 194719), (1568, 139085), (1960, 111268), (3920, 55634), (7840, 27817)]