2000780860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 4722278400

約数和(自身を除く): 2721497540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 79, 118, 127, 130, 158, 169, 236, 254, 260, 295, 316, 338, 395, 508, 590, 635, 676, 767, 790, 845, 1027, 1180, 1270, 1534, 1580, 1651, 1690, 2054, 2540, 3068, 3302, 3380, 3835, 4108, 4661, 5135, 6604, 7493, 7670, 8255, 9322, 9971, 10033, 10270, 13351, 14986, 15340, 16510, 18644, 19942, 20066, 20540, 21463, 23305, 26702, 29972, 33020, 37465, 39884, 40132, 42926, 46610, 49855, 50165, 53404, 60593, 66755, 74930, 85852, 93220, 97409, 99710, 100330, 107315, 121186, 130429, 133510, 149860, 194818, 199420, 200660, 214630, 242372, 260858, 267020, 302965, 389636, 429260, 487045, 521716, 591947, 605930, 652145, 787709, 974090, 1183894, 1211860, 1266317, 1304290, 1575418, 1695577, 1948180, 2367788, 2532634, 2608580, 2959735, 3150836, 3391154, 3938545, 5065268, 5919470, 6331585, 6782308, 7695311, 7877090, 8477885, 11838940, 12663170, 15390622, 15754180, 16955770, 25326340, 30781244, 33911540, 38476555, 76953110, 100039043, 153906220, 200078086, 400156172, 500195215, 1000390430, 2000780860]

約数ペア:

[(1, 2000780860), (2, 1000390430), (4, 500195215), (5, 400156172), (10, 200078086), (13, 153906220), (20, 100039043), (26, 76953110), (52, 38476555), (59, 33911540), (65, 30781244), (79, 25326340), (118, 16955770), (127, 15754180), (130, 15390622), (158, 12663170), (169, 11838940), (236, 8477885), (254, 7877090), (260, 7695311), (295, 6782308), (316, 6331585), (338, 5919470), (395, 5065268), (508, 3938545), (590, 3391154), (635, 3150836), (676, 2959735), (767, 2608580), (790, 2532634), (845, 2367788), (1027, 1948180), (1180, 1695577), (1270, 1575418), (1534, 1304290), (1580, 1266317), (1651, 1211860), (1690, 1183894), (2054, 974090), (2540, 787709), (3068, 652145), (3302, 605930), (3380, 591947), (3835, 521716), (4108, 487045), (4661, 429260), (5135, 389636), (6604, 302965), (7493, 267020), (7670, 260858), (8255, 242372), (9322, 214630), (9971, 200660), (10033, 199420), (10270, 194818), (13351, 149860), (14986, 133510), (15340, 130429), (16510, 121186), (18644, 107315), (19942, 100330), (20066, 99710), (20540, 97409), (21463, 93220), (23305, 85852), (26702, 74930), (29972, 66755), (33020, 60593), (37465, 53404), (39884, 50165), (40132, 49855), (42926, 46610)]