321222440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 939651840

約数和(自身を除く): 618429400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 49, 55, 56, 70, 77, 88, 94, 98, 110, 140, 154, 188, 196, 220, 235, 245, 280, 308, 317, 329, 376, 385, 392, 440, 470, 490, 517, 539, 616, 634, 658, 770, 940, 980, 1034, 1078, 1268, 1316, 1540, 1585, 1645, 1880, 1960, 2068, 2156, 2219, 2303, 2536, 2585, 2632, 2695, 3080, 3170, 3290, 3487, 3619, 4136, 4312, 4438, 4606, 5170, 5390, 6340, 6580, 6974, 7238, 8876, 9212, 10340, 10780, 11095, 11515, 12680, 13160, 13948, 14476, 14899, 15533, 17435, 17752, 18095, 18424, 20680, 21560, 22190, 23030, 24409, 25333, 27896, 28952, 29798, 31066, 34870, 36190, 44380, 46060, 48818, 50666, 59596, 62132, 69740, 72380, 74495, 77665, 88760, 92120, 97636, 101332, 104293, 119192, 122045, 124264, 126665, 139480, 144760, 148990, 155330, 163889, 170863, 195272, 202664, 208586, 244090, 253330, 297980, 310660, 327778, 341726, 417172, 488180, 506660, 521465, 595960, 621320, 655556, 683452, 730051, 819445, 834344, 854315, 976360, 1013320, 1042930, 1147223, 1311112, 1366904, 1460102, 1638890, 1708630, 2085860, 2294446, 2920204, 3277780, 3417260, 3650255, 4171720, 4588892, 5736115, 5840408, 6555560, 6834520, 7300510, 8030561, 9177784, 11472230, 14601020, 16061122, 22944460, 29202040, 32122244, 40152805, 45888920, 64244488, 80305610, 160611220, 321222440]

約数ペア:

[(1, 321222440), (2, 160611220), (4, 80305610), (5, 64244488), (7, 45888920), (8, 40152805), (10, 32122244), (11, 29202040), (14, 22944460), (20, 16061122), (22, 14601020), (28, 11472230), (35, 9177784), (40, 8030561), (44, 7300510), (47, 6834520), (49, 6555560), (55, 5840408), (56, 5736115), (70, 4588892), (77, 4171720), (88, 3650255), (94, 3417260), (98, 3277780), (110, 2920204), (140, 2294446), (154, 2085860), (188, 1708630), (196, 1638890), (220, 1460102), (235, 1366904), (245, 1311112), (280, 1147223), (308, 1042930), (317, 1013320), (329, 976360), (376, 854315), (385, 834344), (392, 819445), (440, 730051), (470, 683452), (490, 655556), (517, 621320), (539, 595960), (616, 521465), (634, 506660), (658, 488180), (770, 417172), (940, 341726), (980, 327778), (1034, 310660), (1078, 297980), (1268, 253330), (1316, 244090), (1540, 208586), (1585, 202664), (1645, 195272), (1880, 170863), (1960, 163889), (2068, 155330), (2156, 148990), (2219, 144760), (2303, 139480), (2536, 126665), (2585, 124264), (2632, 122045), (2695, 119192), (3080, 104293), (3170, 101332), (3290, 97636), (3487, 92120), (3619, 88760), (4136, 77665), (4312, 74495), (4438, 72380), (4606, 69740), (5170, 62132), (5390, 59596), (6340, 50666), (6580, 48818), (6974, 46060), (7238, 44380), (8876, 36190), (9212, 34870), (10340, 31066), (10780, 29798), (11095, 28952), (11515, 27896), (12680, 25333), (13160, 24409), (13948, 23030), (14476, 22190), (14899, 21560), (15533, 20680), (17435, 18424), (17752, 18095)]