199431040

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{983}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 478755360

約数和(自身を除く): 279324320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 983, 1268, 1585, 1966, 2536, 3170, 3932, 4915, 5072, 6340, 7864, 9830, 10144, 12680, 15728, 19660, 20288, 25360, 31456, 39320, 40576, 50720, 62912, 78640, 101440, 125824, 157280, 202880, 311611, 314560, 623222, 629120, 1246444, 1558055, 2492888, 3116110, 4985776, 6232220, 9971552, 12464440, 19943104, 24928880, 39886208, 49857760, 99715520, 199431040]

約数ペア:

[(1, 199431040), (2, 99715520), (4, 49857760), (5, 39886208), (8, 24928880), (10, 19943104), (16, 12464440), (20, 9971552), (32, 6232220), (40, 4985776), (64, 3116110), (80, 2492888), (128, 1558055), (160, 1246444), (317, 629120), (320, 623222), (634, 314560), (640, 311611), (983, 202880), (1268, 157280), (1585, 125824), (1966, 101440), (2536, 78640), (3170, 62912), (3932, 50720), (4915, 40576), (5072, 39320), (6340, 31456), (7864, 25360), (9830, 20288), (10144, 19660), (12680, 15728)]