1900555746700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1\times {\mathrm{15493}}^1$

素因数の和:16196

約数の個数: 144

約数和(自身を含む): 4473606170880

約数和(自身を除く): 2573050424180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 197, 260, 325, 394, 479, 650, 788, 958, 985, 1300, 1916, 1970, 2395, 2561, 3940, 4790, 4925, 5122, 6227, 9580, 9850, 10244, 11975, 12454, 12805, 15493, 19700, 23950, 24908, 25610, 30986, 31135, 47900, 51220, 61972, 62270, 64025, 77465, 94363, 124540, 128050, 154930, 155675, 188726, 201409, 256100, 309860, 311350, 377452, 387325, 402818, 471815, 622700, 774650, 805636, 943630, 1007045, 1226719, 1549300, 1887260, 2014090, 2359075, 2453438, 3052121, 4028180, 4718150, 4906876, 5035225, 6104242, 6133595, 7421147, 9436300, 10070450, 12208484, 12267190, 14842294, 15260605, 20140900, 24534380, 29684588, 30521210, 30667975, 37105735, 39677573, 61042420, 61335950, 74211470, 76303025, 79355146, 96474911, 122671900, 148422940, 152606050, 158710292, 185528675, 192949822, 198387865, 305212100, 371057350, 385899644, 396775730, 482374555, 742114700, 793551460, 964749110, 991939325, 1461965959, 1929498220, 1983878650, 2411872775, 2923931918, 3967757300, 4823745550, 5847863836, 7309829795, 9647491100, 14619659590, 19005557467, 29239319180, 36549148975, 38011114934, 73098297950, 76022229868, 95027787335, 146196595900, 190055574670, 380111149340, 475138936675, 950277873350, 1900555746700]

約数ペア:

[(1, 1900555746700), (2, 950277873350), (4, 475138936675), (5, 380111149340), (10, 190055574670), (13, 146196595900), (20, 95027787335), (25, 76022229868), (26, 73098297950), (50, 38011114934), (52, 36549148975), (65, 29239319180), (100, 19005557467), (130, 14619659590), (197, 9647491100), (260, 7309829795), (325, 5847863836), (394, 4823745550), (479, 3967757300), (650, 2923931918), (788, 2411872775), (958, 1983878650), (985, 1929498220), (1300, 1461965959), (1916, 991939325), (1970, 964749110), (2395, 793551460), (2561, 742114700), (3940, 482374555), (4790, 396775730), (4925, 385899644), (5122, 371057350), (6227, 305212100), (9580, 198387865), (9850, 192949822), (10244, 185528675), (11975, 158710292), (12454, 152606050), (12805, 148422940), (15493, 122671900), (19700, 96474911), (23950, 79355146), (24908, 76303025), (25610, 74211470), (30986, 61335950), (31135, 61042420), (47900, 39677573), (51220, 37105735), (61972, 30667975), (62270, 30521210), (64025, 29684588), (77465, 24534380), (94363, 20140900), (124540, 15260605), (128050, 14842294), (154930, 12267190), (155675, 12208484), (188726, 10070450), (201409, 9436300), (256100, 7421147), (309860, 6133595), (311350, 6104242), (377452, 5035225), (387325, 4906876), (402818, 4718150), (471815, 4028180), (622700, 3052121), (774650, 2453438), (805636, 2359075), (943630, 2014090), (1007045, 1887260), (1226719, 1549300)]