289900380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 1021870080

約数和(自身を除く): 731969700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 131, 132, 140, 154, 165, 210, 220, 231, 262, 308, 330, 385, 393, 420, 462, 479, 524, 655, 660, 770, 786, 917, 924, 958, 1155, 1310, 1437, 1441, 1540, 1572, 1834, 1916, 1965, 2310, 2395, 2620, 2751, 2874, 2882, 3353, 3668, 3930, 4323, 4585, 4620, 4790, 5269, 5502, 5748, 5764, 6706, 7185, 7205, 7860, 8646, 9170, 9580, 10059, 10087, 10538, 11004, 13412, 13755, 14370, 14410, 15807, 16765, 17292, 18340, 20118, 20174, 21076, 21615, 26345, 27510, 28740, 28820, 30261, 31614, 33530, 36883, 40236, 40348, 43230, 50295, 50435, 52690, 55020, 60522, 62749, 63228, 67060, 73766, 79035, 86460, 100590, 100870, 105380, 110649, 121044, 125498, 147532, 151305, 158070, 184415, 188247, 201180, 201740, 221298, 250996, 302610, 313745, 316140, 368830, 376494, 439243, 442596, 553245, 605220, 627490, 690239, 737660, 752988, 878486, 941235, 1106490, 1254980, 1317729, 1380478, 1756972, 1882470, 2070717, 2196215, 2212980, 2635458, 2760956, 3451195, 3764940, 4141434, 4392430, 4831673, 5270916, 6588645, 6902390, 8282868, 8784860, 9663346, 10353585, 13177290, 13804780, 14495019, 19326692, 20707170, 24158365, 26354580, 28990038, 41414340, 48316730, 57980076, 72475095, 96633460, 144950190, 289900380]

約数ペア:

[(1, 289900380), (2, 144950190), (3, 96633460), (4, 72475095), (5, 57980076), (6, 48316730), (7, 41414340), (10, 28990038), (11, 26354580), (12, 24158365), (14, 20707170), (15, 19326692), (20, 14495019), (21, 13804780), (22, 13177290), (28, 10353585), (30, 9663346), (33, 8784860), (35, 8282868), (42, 6902390), (44, 6588645), (55, 5270916), (60, 4831673), (66, 4392430), (70, 4141434), (77, 3764940), (84, 3451195), (105, 2760956), (110, 2635458), (131, 2212980), (132, 2196215), (140, 2070717), (154, 1882470), (165, 1756972), (210, 1380478), (220, 1317729), (231, 1254980), (262, 1106490), (308, 941235), (330, 878486), (385, 752988), (393, 737660), (420, 690239), (462, 627490), (479, 605220), (524, 553245), (655, 442596), (660, 439243), (770, 376494), (786, 368830), (917, 316140), (924, 313745), (958, 302610), (1155, 250996), (1310, 221298), (1437, 201740), (1441, 201180), (1540, 188247), (1572, 184415), (1834, 158070), (1916, 151305), (1965, 147532), (2310, 125498), (2395, 121044), (2620, 110649), (2751, 105380), (2874, 100870), (2882, 100590), (3353, 86460), (3668, 79035), (3930, 73766), (4323, 67060), (4585, 63228), (4620, 62749), (4790, 60522), (5269, 55020), (5502, 52690), (5748, 50435), (5764, 50295), (6706, 43230), (7185, 40348), (7205, 40236), (7860, 36883), (8646, 33530), (9170, 31614), (9580, 30261), (10059, 28820), (10087, 28740), (10538, 27510), (11004, 26345), (13412, 21615), (13755, 21076), (14370, 20174), (14410, 20118), (15807, 18340), (16765, 17292)]