181589080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{709}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 431964000

約数和(自身を除く): 250374920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 337, 380, 674, 709, 760, 1348, 1418, 1685, 2696, 2836, 3370, 3545, 5672, 6403, 6740, 7090, 12806, 13471, 13480, 14180, 25612, 26942, 28360, 32015, 51224, 53884, 64030, 67355, 107768, 128060, 134710, 238933, 256120, 269420, 477866, 538840, 955732, 1194665, 1911464, 2389330, 4539727, 4778660, 9079454, 9557320, 18158908, 22698635, 36317816, 45397270, 90794540, 181589080]

約数ペア:

[(1, 181589080), (2, 90794540), (4, 45397270), (5, 36317816), (8, 22698635), (10, 18158908), (19, 9557320), (20, 9079454), (38, 4778660), (40, 4539727), (76, 2389330), (95, 1911464), (152, 1194665), (190, 955732), (337, 538840), (380, 477866), (674, 269420), (709, 256120), (760, 238933), (1348, 134710), (1418, 128060), (1685, 107768), (2696, 67355), (2836, 64030), (3370, 53884), (3545, 51224), (5672, 32015), (6403, 28360), (6740, 26942), (7090, 25612), (12806, 14180), (13471, 13480)]