206660540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1447}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 448335552

約数和(自身を除く): 241675012

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 193, 370, 386, 740, 772, 965, 1447, 1930, 2894, 3860, 5788, 7141, 7235, 14282, 14470, 28564, 28940, 35705, 53539, 71410, 107078, 142820, 214156, 267695, 279271, 535390, 558542, 1070780, 1117084, 1396355, 2792710, 5585420, 10333027, 20666054, 41332108, 51665135, 103330270, 206660540]

約数ペア:

[(1, 206660540), (2, 103330270), (4, 51665135), (5, 41332108), (10, 20666054), (20, 10333027), (37, 5585420), (74, 2792710), (148, 1396355), (185, 1117084), (193, 1070780), (370, 558542), (386, 535390), (740, 279271), (772, 267695), (965, 214156), (1447, 142820), (1930, 107078), (2894, 71410), (3860, 53539), (5788, 35705), (7141, 28940), (7235, 28564), (14282, 14470)]