280005600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^2\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 216

約数和(自身を含む): 1060666488

約数和(自身を除く): 780660888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 140, 147, 150, 160, 168, 175, 196, 200, 210, 224, 240, 245, 280, 294, 300, 336, 350, 392, 400, 420, 480, 490, 525, 560, 588, 600, 672, 700, 735, 784, 800, 840, 980, 1050, 1120, 1176, 1200, 1225, 1400, 1470, 1568, 1680, 1960, 2100, 2352, 2381, 2400, 2450, 2800, 2940, 3360, 3675, 3920, 4200, 4704, 4762, 4900, 5600, 5880, 7143, 7350, 7840, 8400, 9524, 9800, 11760, 11905, 14286, 14700, 16667, 16800, 19048, 19600, 23520, 23810, 28572, 29400, 33334, 35715, 38096, 39200, 47620, 50001, 57144, 58800, 59525, 66668, 71430, 76192, 83335, 95240, 100002, 114288, 116669, 117600, 119050, 133336, 142860, 166670, 178575, 190480, 200004, 228576, 233338, 238100, 250005, 266672, 285720, 333340, 350007, 357150, 380960, 400008, 416675, 466676, 476200, 500010, 533344, 571440, 583345, 666680, 700014, 714300, 800016, 833350, 933352, 952400, 1000020, 1142880, 1166690, 1250025, 1333360, 1400028, 1428600, 1600032, 1666700, 1750035, 1866704, 1904800, 2000040, 2333380, 2500050, 2666720, 2800056, 2857200, 2916725, 3333400, 3500070, 3733408, 4000080, 4666760, 5000100, 5600112, 5714400, 5833450, 6666800, 7000140, 8000160, 8750175, 9333520, 10000200, 11200224, 11666900, 13333600, 14000280, 17500350, 18667040, 20000400, 23333800, 28000560, 35000700, 40000800, 46667600, 56001120, 70001400, 93335200, 140002800, 280005600]

約数ペア:

[(1, 280005600), (2, 140002800), (3, 93335200), (4, 70001400), (5, 56001120), (6, 46667600), (7, 40000800), (8, 35000700), (10, 28000560), (12, 23333800), (14, 20000400), (15, 18667040), (16, 17500350), (20, 14000280), (21, 13333600), (24, 11666900), (25, 11200224), (28, 10000200), (30, 9333520), (32, 8750175), (35, 8000160), (40, 7000140), (42, 6666800), (48, 5833450), (49, 5714400), (50, 5600112), (56, 5000100), (60, 4666760), (70, 4000080), (75, 3733408), (80, 3500070), (84, 3333400), (96, 2916725), (98, 2857200), (100, 2800056), (105, 2666720), (112, 2500050), (120, 2333380), (140, 2000040), (147, 1904800), (150, 1866704), (160, 1750035), (168, 1666700), (175, 1600032), (196, 1428600), (200, 1400028), (210, 1333360), (224, 1250025), (240, 1166690), (245, 1142880), (280, 1000020), (294, 952400), (300, 933352), (336, 833350), (350, 800016), (392, 714300), (400, 700014), (420, 666680), (480, 583345), (490, 571440), (525, 533344), (560, 500010), (588, 476200), (600, 466676), (672, 416675), (700, 400008), (735, 380960), (784, 357150), (800, 350007), (840, 333340), (980, 285720), (1050, 266672), (1120, 250005), (1176, 238100), (1200, 233338), (1225, 228576), (1400, 200004), (1470, 190480), (1568, 178575), (1680, 166670), (1960, 142860), (2100, 133336), (2352, 119050), (2381, 117600), (2400, 116669), (2450, 114288), (2800, 100002), (2940, 95240), (3360, 83335), (3675, 76192), (3920, 71430), (4200, 66668), (4704, 59525), (4762, 58800), (4900, 57144), (5600, 50001), (5880, 47620), (7143, 39200), (7350, 38096), (7840, 35715), (8400, 33334), (9524, 29400), (9800, 28572), (11760, 23810), (11905, 23520), (14286, 19600), (14700, 19048), (16667, 16800)]