191979900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1041

約数の個数: 216

約数和(自身を含む): 710621184

約数和(自身を除く): 518641284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 124, 126, 140, 150, 155, 175, 180, 186, 210, 217, 225, 252, 279, 300, 310, 315, 350, 372, 420, 434, 450, 465, 525, 558, 620, 630, 651, 700, 775, 868, 900, 930, 983, 1050, 1085, 1116, 1260, 1302, 1395, 1550, 1575, 1860, 1953, 1966, 2100, 2170, 2325, 2604, 2790, 2949, 3100, 3150, 3255, 3906, 3932, 4340, 4650, 4915, 5425, 5580, 5898, 6300, 6510, 6881, 6975, 7812, 8847, 9300, 9765, 9830, 10850, 11796, 13020, 13762, 13950, 14745, 16275, 17694, 19530, 19660, 20643, 21700, 24575, 27524, 27900, 29490, 30473, 32550, 34405, 35388, 39060, 41286, 44235, 48825, 49150, 58980, 60946, 61929, 65100, 68810, 73725, 82572, 88470, 91419, 97650, 98300, 103215, 121892, 123858, 137620, 147450, 152365, 172025, 176940, 182838, 195300, 206430, 213311, 221175, 247716, 274257, 294900, 304730, 309645, 344050, 365676, 412860, 426622, 442350, 457095, 516075, 548514, 609460, 619290, 639933, 688100, 761825, 853244, 884700, 914190, 1032150, 1066555, 1097028, 1238580, 1279866, 1371285, 1523650, 1548225, 1828380, 1919799, 2064300, 2133110, 2285475, 2559732, 2742570, 3047300, 3096450, 3199665, 3839598, 4266220, 4570950, 5332775, 5485140, 6192900, 6399330, 6856425, 7679196, 9141900, 9598995, 10665550, 12798660, 13712850, 15998325, 19197990, 21331100, 27425700, 31996650, 38395980, 47994975, 63993300, 95989950, 191979900]

約数ペア:

[(1, 191979900), (2, 95989950), (3, 63993300), (4, 47994975), (5, 38395980), (6, 31996650), (7, 27425700), (9, 21331100), (10, 19197990), (12, 15998325), (14, 13712850), (15, 12798660), (18, 10665550), (20, 9598995), (21, 9141900), (25, 7679196), (28, 6856425), (30, 6399330), (31, 6192900), (35, 5485140), (36, 5332775), (42, 4570950), (45, 4266220), (50, 3839598), (60, 3199665), (62, 3096450), (63, 3047300), (70, 2742570), (75, 2559732), (84, 2285475), (90, 2133110), (93, 2064300), (100, 1919799), (105, 1828380), (124, 1548225), (126, 1523650), (140, 1371285), (150, 1279866), (155, 1238580), (175, 1097028), (180, 1066555), (186, 1032150), (210, 914190), (217, 884700), (225, 853244), (252, 761825), (279, 688100), (300, 639933), (310, 619290), (315, 609460), (350, 548514), (372, 516075), (420, 457095), (434, 442350), (450, 426622), (465, 412860), (525, 365676), (558, 344050), (620, 309645), (630, 304730), (651, 294900), (700, 274257), (775, 247716), (868, 221175), (900, 213311), (930, 206430), (983, 195300), (1050, 182838), (1085, 176940), (1116, 172025), (1260, 152365), (1302, 147450), (1395, 137620), (1550, 123858), (1575, 121892), (1860, 103215), (1953, 98300), (1966, 97650), (2100, 91419), (2170, 88470), (2325, 82572), (2604, 73725), (2790, 68810), (2949, 65100), (3100, 61929), (3150, 60946), (3255, 58980), (3906, 49150), (3932, 48825), (4340, 44235), (4650, 41286), (4915, 39060), (5425, 35388), (5580, 34405), (5898, 32550), (6300, 30473), (6510, 29490), (6881, 27900), (6975, 27524), (7812, 24575), (8847, 21700), (9300, 20643), (9765, 19660), (9830, 19530), (10850, 17694), (11796, 16275), (13020, 14745), (13762, 13950)]