189521920

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:699

約数の個数: 112

約数和(自身を含む): 520586208

約数和(自身を除く): 331064288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 661, 896, 1024, 1120, 1280, 1322, 1792, 2048, 2240, 2560, 2644, 3305, 3584, 4096, 4480, 4627, 5120, 5288, 6610, 7168, 8192, 8960, 9254, 10240, 10576, 13220, 14336, 17920, 18508, 20480, 21152, 23135, 26440, 28672, 35840, 37016, 40960, 42304, 46270, 52880, 57344, 71680, 74032, 84608, 92540, 105760, 143360, 148064, 169216, 185080, 211520, 286720, 296128, 338432, 370160, 423040, 592256, 676864, 740320, 846080, 1184512, 1353728, 1480640, 1692160, 2369024, 2707456, 2961280, 3384320, 4738048, 5414912, 5922560, 6768640, 9476096, 11845120, 13537280, 18952192, 23690240, 27074560, 37904384, 47380480, 94760960, 189521920]

約数ペア:

[(1, 189521920), (2, 94760960), (4, 47380480), (5, 37904384), (7, 27074560), (8, 23690240), (10, 18952192), (14, 13537280), (16, 11845120), (20, 9476096), (28, 6768640), (32, 5922560), (35, 5414912), (40, 4738048), (56, 3384320), (64, 2961280), (70, 2707456), (80, 2369024), (112, 1692160), (128, 1480640), (140, 1353728), (160, 1184512), (224, 846080), (256, 740320), (280, 676864), (320, 592256), (448, 423040), (512, 370160), (560, 338432), (640, 296128), (661, 286720), (896, 211520), (1024, 185080), (1120, 169216), (1280, 148064), (1322, 143360), (1792, 105760), (2048, 92540), (2240, 84608), (2560, 74032), (2644, 71680), (3305, 57344), (3584, 52880), (4096, 46270), (4480, 42304), (4627, 40960), (5120, 37016), (5288, 35840), (6610, 28672), (7168, 26440), (8192, 23135), (8960, 21152), (9254, 20480), (10240, 18508), (10576, 17920), (13220, 14336)]