191441920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 88

約数和(自身を含む): 464259600

約数和(自身を除く): 272817680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 269, 278, 320, 512, 538, 556, 640, 695, 1024, 1076, 1112, 1280, 1345, 1390, 2152, 2224, 2560, 2690, 2780, 4304, 4448, 5120, 5380, 5560, 8608, 8896, 10760, 11120, 17216, 17792, 21520, 22240, 34432, 35584, 37391, 43040, 44480, 68864, 71168, 74782, 86080, 88960, 137728, 142336, 149564, 172160, 177920, 186955, 275456, 299128, 344320, 355840, 373910, 598256, 688640, 711680, 747820, 1196512, 1377280, 1495640, 2393024, 2991280, 4786048, 5982560, 9572096, 11965120, 19144192, 23930240, 38288384, 47860480, 95720960, 191441920]

約数ペア:

[(1, 191441920), (2, 95720960), (4, 47860480), (5, 38288384), (8, 23930240), (10, 19144192), (16, 11965120), (20, 9572096), (32, 5982560), (40, 4786048), (64, 2991280), (80, 2393024), (128, 1495640), (139, 1377280), (160, 1196512), (256, 747820), (269, 711680), (278, 688640), (320, 598256), (512, 373910), (538, 355840), (556, 344320), (640, 299128), (695, 275456), (1024, 186955), (1076, 177920), (1112, 172160), (1280, 149564), (1345, 142336), (1390, 137728), (2152, 88960), (2224, 86080), (2560, 74782), (2690, 71168), (2780, 68864), (4304, 44480), (4448, 43040), (5120, 37391), (5380, 35584), (5560, 34432), (8608, 22240), (8896, 21520), (10760, 17792), (11120, 17216)]