1999467001520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1357817}}^1$

素因数の和:1358142

約数の個数: 80

約数和(自身を含む): 4727813650560

約数和(自身を除く): 2728346649040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 233, 316, 395, 466, 632, 790, 932, 1165, 1264, 1580, 1864, 2330, 3160, 3728, 4660, 6320, 9320, 18407, 18640, 36814, 73628, 92035, 147256, 184070, 294512, 368140, 736280, 1357817, 1472560, 2715634, 5431268, 6789085, 10862536, 13578170, 21725072, 27156340, 54312680, 107267543, 108625360, 214535086, 316371361, 429070172, 536337715, 632742722, 858140344, 1072675430, 1265485444, 1581856805, 1716280688, 2145350860, 2530970888, 3163713610, 4290701720, 5061941776, 6327427220, 8581403440, 12654854440, 24993337519, 25309708880, 49986675038, 99973350076, 124966687595, 199946700152, 249933375190, 399893400304, 499866750380, 999733500760, 1999467001520]

約数ペア:

[(1, 1999467001520), (2, 999733500760), (4, 499866750380), (5, 399893400304), (8, 249933375190), (10, 199946700152), (16, 124966687595), (20, 99973350076), (40, 49986675038), (79, 25309708880), (80, 24993337519), (158, 12654854440), (233, 8581403440), (316, 6327427220), (395, 5061941776), (466, 4290701720), (632, 3163713610), (790, 2530970888), (932, 2145350860), (1165, 1716280688), (1264, 1581856805), (1580, 1265485444), (1864, 1072675430), (2330, 858140344), (3160, 632742722), (3728, 536337715), (4660, 429070172), (6320, 316371361), (9320, 214535086), (18407, 108625360), (18640, 107267543), (36814, 54312680), (73628, 27156340), (92035, 21725072), (147256, 13578170), (184070, 10862536), (294512, 6789085), (368140, 5431268), (736280, 2715634), (1357817, 1472560)]