297291280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 120

約数和(自身を含む): 816912000

約数和(自身を除く): 519620720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 520, 572, 676, 715, 845, 880, 1040, 1144, 1352, 1430, 1690, 1859, 1999, 2288, 2704, 2860, 3380, 3718, 3998, 5720, 6760, 7436, 7996, 9295, 9995, 11440, 13520, 14872, 15992, 18590, 19990, 21989, 25987, 29744, 31984, 37180, 39980, 43978, 51974, 74360, 79960, 87956, 103948, 109945, 129935, 148720, 159920, 175912, 207896, 219890, 259870, 285857, 337831, 351824, 415792, 439780, 519740, 571714, 675662, 879560, 1039480, 1143428, 1351324, 1429285, 1689155, 1759120, 2078960, 2286856, 2702648, 2858570, 3378310, 3716141, 4573712, 5405296, 5717140, 6756620, 7432282, 11434280, 13513240, 14864564, 18580705, 22868560, 27026480, 29729128, 37161410, 59458256, 74322820, 148645640, 297291280]

約数ペア:

[(1, 297291280), (2, 148645640), (4, 74322820), (5, 59458256), (8, 37161410), (10, 29729128), (11, 27026480), (13, 22868560), (16, 18580705), (20, 14864564), (22, 13513240), (26, 11434280), (40, 7432282), (44, 6756620), (52, 5717140), (55, 5405296), (65, 4573712), (80, 3716141), (88, 3378310), (104, 2858570), (110, 2702648), (130, 2286856), (143, 2078960), (169, 1759120), (176, 1689155), (208, 1429285), (220, 1351324), (260, 1143428), (286, 1039480), (338, 879560), (440, 675662), (520, 571714), (572, 519740), (676, 439780), (715, 415792), (845, 351824), (880, 337831), (1040, 285857), (1144, 259870), (1352, 219890), (1430, 207896), (1690, 175912), (1859, 159920), (1999, 148720), (2288, 129935), (2704, 109945), (2860, 103948), (3380, 87956), (3718, 79960), (3998, 74360), (5720, 51974), (6760, 43978), (7436, 39980), (7996, 37180), (9295, 31984), (9995, 29744), (11440, 25987), (13520, 21989), (14872, 19990), (15992, 18590)]