12492028420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{5107}}^1$

素因数の和:5333

約数の個数: 96

約数和(自身を含む): 28473217920

約数和(自身を除く): 15981189500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 157, 164, 190, 205, 314, 380, 410, 628, 779, 785, 820, 1558, 1570, 2983, 3116, 3140, 3895, 5107, 5966, 6437, 7790, 10214, 11932, 12874, 14915, 15580, 20428, 25535, 25748, 29830, 32185, 51070, 59660, 64370, 97033, 102140, 122303, 128740, 194066, 209387, 244606, 388132, 418774, 485165, 489212, 611515, 801799, 837548, 970330, 1046935, 1223030, 1603598, 1940660, 2093870, 2446060, 3207196, 3978353, 4008995, 4187740, 7956706, 8017990, 15234181, 15913412, 16035980, 19891765, 30468362, 32873759, 39783530, 60936724, 65747518, 76170905, 79567060, 131495036, 152341810, 164368795, 304683620, 328737590, 624601421, 657475180, 1249202842, 2498405684, 3123007105, 6246014210, 12492028420]

約数ペア:

[(1, 12492028420), (2, 6246014210), (4, 3123007105), (5, 2498405684), (10, 1249202842), (19, 657475180), (20, 624601421), (38, 328737590), (41, 304683620), (76, 164368795), (82, 152341810), (95, 131495036), (157, 79567060), (164, 76170905), (190, 65747518), (205, 60936724), (314, 39783530), (380, 32873759), (410, 30468362), (628, 19891765), (779, 16035980), (785, 15913412), (820, 15234181), (1558, 8017990), (1570, 7956706), (2983, 4187740), (3116, 4008995), (3140, 3978353), (3895, 3207196), (5107, 2446060), (5966, 2093870), (6437, 1940660), (7790, 1603598), (10214, 1223030), (11932, 1046935), (12874, 970330), (14915, 837548), (15580, 801799), (20428, 611515), (25535, 489212), (25748, 485165), (29830, 418774), (32185, 388132), (51070, 244606), (59660, 209387), (64370, 194066), (97033, 128740), (102140, 122303)]