40856488.000000000

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 1117670400

約数和(自身を除く): 713595820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 197, 230, 245, 260, 299, 322, 343, 364, 394, 455, 460, 490, 598, 637, 644, 686, 788, 805, 910, 980, 985, 1127, 1196, 1274, 1372, 1379, 1495, 1610, 1715, 1820, 1970, 2093, 2254, 2548, 2561, 2758, 2990, 3185, 3220, 3430, 3940, 4186, 4459, 4508, 4531, 5122, 5516, 5635, 5980, 6370, 6860, 6895, 7889, 8372, 8918, 9062, 9653, 10244, 10465, 11270, 12740, 12805, 13790, 14651, 15778, 17836, 17927, 18124, 19306, 20930, 22295, 22540, 22655, 25610, 27580, 29302, 31556, 31717, 35854, 38612, 39445, 41860, 44590, 45310, 48265, 51220, 58604, 58903, 63434, 67571, 71708, 73255, 78890, 89180, 89635, 90620, 96530, 102557, 117806, 125489, 126868, 135142, 146510, 157780, 158585, 179270, 193060, 205114, 222019, 235612, 250978, 270284, 293020, 294515, 317170, 337855, 358540, 410228, 412321, 444038, 501956, 512785, 589030, 627445, 634340, 675710, 824642, 878423, 888076, 1025570, 1110095, 1178060, 1254890, 1351420, 1554133, 1649284, 1756846, 2051140, 2061605, 2220190, 2509780, 2886247, 3108266, 3513692, 4123210, 4392115, 4440380, 5772494, 6216532, 7770665, 8246420, 8784230, 11544988, 14431235, 15541330, 17568460, 20203729, 28862470, 31082660, 40407458, 57724940, 80814916, 101018645, 202037290, 404074580]

約数ペア:

[(1, 404074580), (2, 202037290), (4, 101018645), (5, 80814916), (7, 57724940), (10, 40407458), (13, 31082660), (14, 28862470), (20, 20203729), (23, 17568460), (26, 15541330), (28, 14431235), (35, 11544988), (46, 8784230), (49, 8246420), (52, 7770665), (65, 6216532), (70, 5772494), (91, 4440380), (92, 4392115), (98, 4123210), (115, 3513692), (130, 3108266), (140, 2886247), (161, 2509780), (182, 2220190), (196, 2061605), (197, 2051140), (230, 1756846), (245, 1649284), (260, 1554133), (299, 1351420), (322, 1254890), (343, 1178060), (364, 1110095), (394, 1025570), (455, 888076), (460, 878423), (490, 824642), (598, 675710), (637, 634340), (644, 627445), (686, 589030), (788, 512785), (805, 501956), (910, 444038), (980, 412321), (985, 410228), (1127, 358540), (1196, 337855), (1274, 317170), (1372, 294515), (1379, 293020), (1495, 270284), (1610, 250978), (1715, 235612), (1820, 222019), (1970, 205114), (2093, 193060), (2254, 179270), (2548, 158585), (2561, 157780), (2758, 146510), (2990, 135142), (3185, 126868), (3220, 125489), (3430, 117806), (3940, 102557), (4186, 96530), (4459, 90620), (4508, 89635), (4531, 89180), (5122, 78890), (5516, 73255), (5635, 71708), (5980, 67571), (6370, 63434), (6860, 58903), (6895, 58604), (7889, 51220), (8372, 48265), (8918, 45310), (9062, 44590), (9653, 41860), (10244, 39445), (10465, 38612), (11270, 35854), (12740, 31717), (12805, 31556), (13790, 29302), (14651, 27580), (15778, 25610), (17836, 22655), (17927, 22540), (18124, 22295), (19306, 20930)]