254172800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1659

約数の個数: 144

約数和(自身を含む): 730848870

約数和(自身を除く): 476676070

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1400, 1568, 1600, 1621, 1960, 2240, 2450, 2800, 3136, 3200, 3242, 3920, 4480, 4900, 5600, 6272, 6484, 7840, 8105, 9800, 11200, 11347, 12968, 15680, 16210, 19600, 22400, 22694, 25936, 31360, 32420, 39200, 40525, 45388, 51872, 56735, 64840, 78400, 79429, 81050, 90776, 103744, 113470, 129680, 156800, 158858, 162100, 181552, 207488, 226940, 259360, 283675, 317716, 324200, 363104, 397145, 453880, 518720, 567350, 635432, 648400, 726208, 794290, 907760, 1037440, 1134700, 1270864, 1296800, 1452416, 1588580, 1815520, 1985725, 2269400, 2541728, 2593600, 3177160, 3631040, 3971450, 4538800, 5083456, 5187200, 6354320, 7262080, 7942900, 9077600, 10166912, 12708640, 15885800, 18155200, 25417280, 31771600, 36310400, 50834560, 63543200, 127086400, 254172800]

約数ペア:

[(1, 254172800), (2, 127086400), (4, 63543200), (5, 50834560), (7, 36310400), (8, 31771600), (10, 25417280), (14, 18155200), (16, 15885800), (20, 12708640), (25, 10166912), (28, 9077600), (32, 7942900), (35, 7262080), (40, 6354320), (49, 5187200), (50, 5083456), (56, 4538800), (64, 3971450), (70, 3631040), (80, 3177160), (98, 2593600), (100, 2541728), (112, 2269400), (128, 1985725), (140, 1815520), (160, 1588580), (175, 1452416), (196, 1296800), (200, 1270864), (224, 1134700), (245, 1037440), (280, 907760), (320, 794290), (350, 726208), (392, 648400), (400, 635432), (448, 567350), (490, 518720), (560, 453880), (640, 397145), (700, 363104), (784, 324200), (800, 317716), (896, 283675), (980, 259360), (1120, 226940), (1225, 207488), (1400, 181552), (1568, 162100), (1600, 158858), (1621, 156800), (1960, 129680), (2240, 113470), (2450, 103744), (2800, 90776), (3136, 81050), (3200, 79429), (3242, 78400), (3920, 64840), (4480, 56735), (4900, 51872), (5600, 45388), (6272, 40525), (6484, 39200), (7840, 32420), (8105, 31360), (9800, 25936), (11200, 22694), (11347, 22400), (12968, 19600), (15680, 16210)]