208017320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:739

約数の個数: 128

約数和(自身を含む): 573177600

約数和(自身を除く): 365160280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 244, 266, 280, 305, 380, 427, 488, 532, 610, 641, 665, 760, 854, 1064, 1159, 1220, 1282, 1330, 1708, 2135, 2318, 2440, 2564, 2660, 3205, 3416, 4270, 4487, 4636, 5128, 5320, 5795, 6410, 8113, 8540, 8974, 9272, 11590, 12179, 12820, 16226, 17080, 17948, 22435, 23180, 24358, 25640, 32452, 35896, 39101, 40565, 44870, 46360, 48716, 60895, 64904, 78202, 81130, 85253, 89740, 97432, 121790, 156404, 162260, 170506, 179480, 195505, 243580, 273707, 312808, 324520, 341012, 391010, 426265, 487160, 547414, 682024, 742919, 782020, 852530, 1094828, 1368535, 1485838, 1564040, 1705060, 2189656, 2737070, 2971676, 3410120, 3714595, 5200433, 5474140, 5943352, 7429190, 10400866, 10948280, 14858380, 20801732, 26002165, 29716760, 41603464, 52004330, 104008660, 208017320]

約数ペア:

[(1, 208017320), (2, 104008660), (4, 52004330), (5, 41603464), (7, 29716760), (8, 26002165), (10, 20801732), (14, 14858380), (19, 10948280), (20, 10400866), (28, 7429190), (35, 5943352), (38, 5474140), (40, 5200433), (56, 3714595), (61, 3410120), (70, 2971676), (76, 2737070), (95, 2189656), (122, 1705060), (133, 1564040), (140, 1485838), (152, 1368535), (190, 1094828), (244, 852530), (266, 782020), (280, 742919), (305, 682024), (380, 547414), (427, 487160), (488, 426265), (532, 391010), (610, 341012), (641, 324520), (665, 312808), (760, 273707), (854, 243580), (1064, 195505), (1159, 179480), (1220, 170506), (1282, 162260), (1330, 156404), (1708, 121790), (2135, 97432), (2318, 89740), (2440, 85253), (2564, 81130), (2660, 78202), (3205, 64904), (3416, 60895), (4270, 48716), (4487, 46360), (4636, 44870), (5128, 40565), (5320, 39101), (5795, 35896), (6410, 32452), (8113, 25640), (8540, 24358), (8974, 23180), (9272, 22435), (11590, 17948), (12179, 17080), (12820, 16226)]