1979503280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 4977967104

約数和(自身を除く): 2998463824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 127, 172, 184, 197, 215, 230, 254, 344, 368, 394, 430, 460, 508, 635, 688, 788, 860, 920, 985, 989, 1016, 1270, 1576, 1720, 1840, 1970, 1978, 2032, 2540, 2921, 3152, 3440, 3940, 3956, 4531, 4945, 5080, 5461, 5842, 7880, 7912, 8471, 9062, 9890, 10160, 10922, 11684, 14605, 15760, 15824, 16942, 18124, 19780, 21844, 22655, 23368, 25019, 27305, 29210, 33884, 36248, 39560, 42355, 43688, 45310, 46736, 50038, 54610, 58420, 67768, 72496, 79120, 84710, 87376, 90620, 100076, 109220, 116840, 125095, 125603, 135536, 169420, 181240, 194833, 200152, 218440, 233680, 250190, 251206, 338840, 362480, 389666, 400304, 436880, 500380, 502412, 575437, 628015, 677680, 779332, 974165, 1000760, 1004824, 1075817, 1150874, 1256030, 1558664, 1948330, 2001520, 2009648, 2151634, 2301748, 2512060, 2877185, 3117328, 3896660, 4303268, 4603496, 5024120, 5379085, 5754370, 7793320, 8606536, 9206992, 10048240, 10758170, 11508740, 15586640, 17213072, 21516340, 23017480, 24743791, 43032680, 46034960, 49487582, 86065360, 98975164, 123718955, 197950328, 247437910, 395900656, 494875820, 989751640, 1979503280]

約数ペア:

[(1, 1979503280), (2, 989751640), (4, 494875820), (5, 395900656), (8, 247437910), (10, 197950328), (16, 123718955), (20, 98975164), (23, 86065360), (40, 49487582), (43, 46034960), (46, 43032680), (80, 24743791), (86, 23017480), (92, 21516340), (115, 17213072), (127, 15586640), (172, 11508740), (184, 10758170), (197, 10048240), (215, 9206992), (230, 8606536), (254, 7793320), (344, 5754370), (368, 5379085), (394, 5024120), (430, 4603496), (460, 4303268), (508, 3896660), (635, 3117328), (688, 2877185), (788, 2512060), (860, 2301748), (920, 2151634), (985, 2009648), (989, 2001520), (1016, 1948330), (1270, 1558664), (1576, 1256030), (1720, 1150874), (1840, 1075817), (1970, 1004824), (1978, 1000760), (2032, 974165), (2540, 779332), (2921, 677680), (3152, 628015), (3440, 575437), (3940, 502412), (3956, 500380), (4531, 436880), (4945, 400304), (5080, 389666), (5461, 362480), (5842, 338840), (7880, 251206), (7912, 250190), (8471, 233680), (9062, 218440), (9890, 200152), (10160, 194833), (10922, 181240), (11684, 169420), (14605, 135536), (15760, 125603), (15824, 125095), (16942, 116840), (18124, 109220), (19780, 100076), (21844, 90620), (22655, 87376), (23368, 84710), (25019, 79120), (27305, 72496), (29210, 67768), (33884, 58420), (36248, 54610), (39560, 50038), (42355, 46736), (43688, 45310)]