261916400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 662628720

約数和(自身を除く): 400712320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 67, 80, 100, 116, 134, 145, 200, 232, 268, 290, 335, 337, 400, 464, 536, 580, 670, 674, 725, 1072, 1160, 1340, 1348, 1450, 1675, 1685, 1943, 2320, 2680, 2696, 2900, 3350, 3370, 3886, 5360, 5392, 5800, 6700, 6740, 7772, 8425, 9715, 9773, 11600, 13400, 13480, 15544, 16850, 19430, 19546, 22579, 26800, 26960, 31088, 33700, 38860, 39092, 45158, 48575, 48865, 67400, 77720, 78184, 90316, 97150, 97730, 112895, 134800, 155440, 156368, 180632, 194300, 195460, 225790, 244325, 361264, 388600, 390920, 451580, 488650, 564475, 654791, 777200, 781840, 903160, 977300, 1128950, 1309582, 1806320, 1954600, 2257900, 2619164, 3273955, 3909200, 4515800, 5238328, 6547910, 9031600, 10476656, 13095820, 16369775, 26191640, 32739550, 52383280, 65479100, 130958200, 261916400]

約数ペア:

[(1, 261916400), (2, 130958200), (4, 65479100), (5, 52383280), (8, 32739550), (10, 26191640), (16, 16369775), (20, 13095820), (25, 10476656), (29, 9031600), (40, 6547910), (50, 5238328), (58, 4515800), (67, 3909200), (80, 3273955), (100, 2619164), (116, 2257900), (134, 1954600), (145, 1806320), (200, 1309582), (232, 1128950), (268, 977300), (290, 903160), (335, 781840), (337, 777200), (400, 654791), (464, 564475), (536, 488650), (580, 451580), (670, 390920), (674, 388600), (725, 361264), (1072, 244325), (1160, 225790), (1340, 195460), (1348, 194300), (1450, 180632), (1675, 156368), (1685, 155440), (1943, 134800), (2320, 112895), (2680, 97730), (2696, 97150), (2900, 90316), (3350, 78184), (3370, 77720), (3886, 67400), (5360, 48865), (5392, 48575), (5800, 45158), (6700, 39092), (6740, 38860), (7772, 33700), (8425, 31088), (9715, 26960), (9773, 26800), (11600, 22579), (13400, 19546), (13480, 19430), (15544, 16850)]