38395980

素因数分解:

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

素因数の和:1036

約数の個数: 144

約数和(自身を含む): 137539584

約数和(自身を除く): 99143604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 983, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 1966, 2170, 2604, 2790, 2949, 3255, 3906, 3932, 4340, 4915, 5580, 5898, 6510, 6881, 7812, 8847, 9765, 9830, 11796, 13020, 13762, 14745, 17694, 19530, 19660, 20643, 27524, 29490, 30473, 34405, 35388, 39060, 41286, 44235, 58980, 60946, 61929, 68810, 82572, 88470, 91419, 103215, 121892, 123858, 137620, 152365, 176940, 182838, 206430, 213311, 247716, 274257, 304730, 309645, 365676, 412860, 426622, 457095, 548514, 609460, 619290, 639933, 853244, 914190, 1066555, 1097028, 1238580, 1279866, 1371285, 1828380, 1919799, 2133110, 2559732, 2742570, 3199665, 3839598, 4266220, 5485140, 6399330, 7679196, 9598995, 12798660, 19197990, 38395980]

約数ペア:

[(1, 38395980), (2, 19197990), (3, 12798660), (4, 9598995), (5, 7679196), (6, 6399330), (7, 5485140), (9, 4266220), (10, 3839598), (12, 3199665), (14, 2742570), (15, 2559732), (18, 2133110), (20, 1919799), (21, 1828380), (28, 1371285), (30, 1279866), (31, 1238580), (35, 1097028), (36, 1066555), (42, 914190), (45, 853244), (60, 639933), (62, 619290), (63, 609460), (70, 548514), (84, 457095), (90, 426622), (93, 412860), (105, 365676), (124, 309645), (126, 304730), (140, 274257), (155, 247716), (180, 213311), (186, 206430), (210, 182838), (217, 176940), (252, 152365), (279, 137620), (310, 123858), (315, 121892), (372, 103215), (420, 91419), (434, 88470), (465, 82572), (558, 68810), (620, 61929), (630, 60946), (651, 58980), (868, 44235), (930, 41286), (983, 39060), (1085, 35388), (1116, 34405), (1260, 30473), (1302, 29490), (1395, 27524), (1860, 20643), (1953, 19660), (1966, 19530), (2170, 17694), (2604, 14745), (2790, 13762), (2949, 13020), (3255, 11796), (3906, 9830), (3932, 9765), (4340, 8847), (4915, 7812), (5580, 6881), (5898, 6510)]