287238000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^2\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 240

約数和(自身を含む): 1078350624

約数和(自身を除く): 791112624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 125, 140, 147, 150, 168, 175, 196, 200, 210, 240, 245, 250, 280, 294, 300, 336, 350, 375, 392, 400, 420, 490, 500, 525, 560, 588, 600, 700, 735, 750, 784, 840, 875, 977, 980, 1000, 1050, 1176, 1200, 1225, 1400, 1470, 1500, 1680, 1750, 1954, 1960, 2000, 2100, 2352, 2450, 2625, 2800, 2931, 2940, 3000, 3500, 3675, 3908, 3920, 4200, 4885, 4900, 5250, 5862, 5880, 6000, 6125, 6839, 7000, 7350, 7816, 8400, 9770, 9800, 10500, 11724, 11760, 12250, 13678, 14000, 14655, 14700, 15632, 18375, 19540, 19600, 20517, 21000, 23448, 24425, 24500, 27356, 29310, 29400, 34195, 36750, 39080, 41034, 42000, 46896, 47873, 48850, 49000, 54712, 58620, 58800, 68390, 73275, 73500, 78160, 82068, 95746, 97700, 98000, 102585, 109424, 117240, 122125, 136780, 143619, 146550, 147000, 164136, 170975, 191492, 195400, 205170, 234480, 239365, 244250, 273560, 287238, 293100, 294000, 328272, 341950, 366375, 382984, 390800, 410340, 478730, 488500, 512925, 547120, 574476, 586200, 683900, 718095, 732750, 765968, 820680, 854875, 957460, 977000, 1025850, 1148952, 1172400, 1196825, 1367800, 1436190, 1465500, 1641360, 1709750, 1914920, 1954000, 2051700, 2297904, 2393650, 2564625, 2735600, 2872380, 2931000, 3419500, 3590475, 3829840, 4103400, 4787300, 5129250, 5744760, 5862000, 5984125, 6839000, 7180950, 8206800, 9574600, 10258500, 11489520, 11968250, 13678000, 14361900, 17952375, 19149200, 20517000, 23936500, 28723800, 35904750, 41034000, 47873000, 57447600, 71809500, 95746000, 143619000, 287238000]

約数ペア:

[(1, 287238000), (2, 143619000), (3, 95746000), (4, 71809500), (5, 57447600), (6, 47873000), (7, 41034000), (8, 35904750), (10, 28723800), (12, 23936500), (14, 20517000), (15, 19149200), (16, 17952375), (20, 14361900), (21, 13678000), (24, 11968250), (25, 11489520), (28, 10258500), (30, 9574600), (35, 8206800), (40, 7180950), (42, 6839000), (48, 5984125), (49, 5862000), (50, 5744760), (56, 5129250), (60, 4787300), (70, 4103400), (75, 3829840), (80, 3590475), (84, 3419500), (98, 2931000), (100, 2872380), (105, 2735600), (112, 2564625), (120, 2393650), (125, 2297904), (140, 2051700), (147, 1954000), (150, 1914920), (168, 1709750), (175, 1641360), (196, 1465500), (200, 1436190), (210, 1367800), (240, 1196825), (245, 1172400), (250, 1148952), (280, 1025850), (294, 977000), (300, 957460), (336, 854875), (350, 820680), (375, 765968), (392, 732750), (400, 718095), (420, 683900), (490, 586200), (500, 574476), (525, 547120), (560, 512925), (588, 488500), (600, 478730), (700, 410340), (735, 390800), (750, 382984), (784, 366375), (840, 341950), (875, 328272), (977, 294000), (980, 293100), (1000, 287238), (1050, 273560), (1176, 244250), (1200, 239365), (1225, 234480), (1400, 205170), (1470, 195400), (1500, 191492), (1680, 170975), (1750, 164136), (1954, 147000), (1960, 146550), (2000, 143619), (2100, 136780), (2352, 122125), (2450, 117240), (2625, 109424), (2800, 102585), (2931, 98000), (2940, 97700), (3000, 95746), (3500, 82068), (3675, 78160), (3908, 73500), (3920, 73275), (4200, 68390), (4885, 58800), (4900, 58620), (5250, 54712), (5862, 49000), (5880, 48850), (6000, 47873), (6125, 46896), (6839, 42000), (7000, 41034), (7350, 39080), (7816, 36750), (8400, 34195), (9770, 29400), (9800, 29310), (10500, 27356), (11724, 24500), (11760, 24425), (12250, 23448), (13678, 21000), (14000, 20517), (14655, 19600), (14700, 19540), (15632, 18375)]