490380800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 240

約数和(自身を含む): 1498883232

約数和(自身を除く): 1008502432

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 182, 200, 208, 224, 256, 260, 280, 320, 325, 350, 364, 400, 416, 421, 448, 455, 512, 520, 560, 640, 650, 700, 728, 800, 832, 842, 896, 910, 1040, 1120, 1280, 1300, 1400, 1456, 1600, 1664, 1684, 1792, 1820, 2080, 2105, 2240, 2275, 2560, 2600, 2800, 2912, 2947, 3200, 3328, 3368, 3584, 3640, 4160, 4210, 4480, 4550, 5200, 5473, 5600, 5824, 5894, 6400, 6656, 6736, 7280, 8320, 8420, 8960, 9100, 10400, 10525, 10946, 11200, 11648, 11788, 12800, 13472, 14560, 14735, 16640, 16840, 17920, 18200, 20800, 21050, 21892, 22400, 23296, 23576, 26944, 27365, 29120, 29470, 33280, 33680, 36400, 38311, 41600, 42100, 43784, 44800, 46592, 47152, 53888, 54730, 58240, 58940, 67360, 72800, 73675, 76622, 83200, 84200, 87568, 89600, 94304, 107776, 109460, 116480, 117880, 134720, 136825, 145600, 147350, 153244, 166400, 168400, 175136, 188608, 191555, 215552, 218920, 232960, 235760, 269440, 273650, 291200, 294700, 306488, 336800, 350272, 377216, 383110, 437840, 471520, 538880, 547300, 582400, 589400, 612976, 673600, 700544, 754432, 766220, 875680, 943040, 957775, 1077760, 1094600, 1164800, 1178800, 1225952, 1347200, 1401088, 1508864, 1532440, 1751360, 1886080, 1915550, 2189200, 2357600, 2451904, 2694400, 2802176, 3064880, 3502720, 3772160, 3831100, 4378400, 4715200, 4903808, 5388800, 6129760, 7005440, 7544320, 7662200, 8756800, 9430400, 9807616, 12259520, 14010880, 15324400, 17513600, 18860800, 19615232, 24519040, 30648800, 35027200, 37721600, 49038080, 61297600, 70054400, 98076160, 122595200, 245190400, 490380800]

約数ペア:

[(1, 490380800), (2, 245190400), (4, 122595200), (5, 98076160), (7, 70054400), (8, 61297600), (10, 49038080), (13, 37721600), (14, 35027200), (16, 30648800), (20, 24519040), (25, 19615232), (26, 18860800), (28, 17513600), (32, 15324400), (35, 14010880), (40, 12259520), (50, 9807616), (52, 9430400), (56, 8756800), (64, 7662200), (65, 7544320), (70, 7005440), (80, 6129760), (91, 5388800), (100, 4903808), (104, 4715200), (112, 4378400), (128, 3831100), (130, 3772160), (140, 3502720), (160, 3064880), (175, 2802176), (182, 2694400), (200, 2451904), (208, 2357600), (224, 2189200), (256, 1915550), (260, 1886080), (280, 1751360), (320, 1532440), (325, 1508864), (350, 1401088), (364, 1347200), (400, 1225952), (416, 1178800), (421, 1164800), (448, 1094600), (455, 1077760), (512, 957775), (520, 943040), (560, 875680), (640, 766220), (650, 754432), (700, 700544), (728, 673600), (800, 612976), (832, 589400), (842, 582400), (896, 547300), (910, 538880), (1040, 471520), (1120, 437840), (1280, 383110), (1300, 377216), (1400, 350272), (1456, 336800), (1600, 306488), (1664, 294700), (1684, 291200), (1792, 273650), (1820, 269440), (2080, 235760), (2105, 232960), (2240, 218920), (2275, 215552), (2560, 191555), (2600, 188608), (2800, 175136), (2912, 168400), (2947, 166400), (3200, 153244), (3328, 147350), (3368, 145600), (3584, 136825), (3640, 134720), (4160, 117880), (4210, 116480), (4480, 109460), (4550, 107776), (5200, 94304), (5473, 89600), (5600, 87568), (5824, 84200), (5894, 83200), (6400, 76622), (6656, 73675), (6736, 72800), (7280, 67360), (8320, 58940), (8420, 58240), (8960, 54730), (9100, 53888), (10400, 47152), (10525, 46592), (10946, 44800), (11200, 43784), (11648, 42100), (11788, 41600), (12800, 38311), (13472, 36400), (14560, 33680), (14735, 33280), (16640, 29470), (16840, 29120), (17920, 27365), (18200, 26944), (20800, 23576), (21050, 23296), (21892, 22400)]