2888891180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{15073}}^1$

素因数の和:15163

約数の個数: 72

約数和(自身を含む): 7126263648

約数和(自身を除く): 4237372468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1369, 2590, 2738, 5180, 5476, 6845, 9583, 13690, 15073, 19166, 27380, 30146, 38332, 47915, 60292, 75365, 95830, 105511, 150730, 191660, 211022, 301460, 422044, 527555, 557701, 1055110, 1115402, 2110220, 2230804, 2788505, 3903907, 5577010, 7807814, 11154020, 15615628, 19519535, 20634937, 39039070, 41269874, 78078140, 82539748, 103174685, 144444559, 206349370, 288889118, 412698740, 577778236, 722222795, 1444445590, 2888891180]

約数ペア:

[(1, 2888891180), (2, 1444445590), (4, 722222795), (5, 577778236), (7, 412698740), (10, 288889118), (14, 206349370), (20, 144444559), (28, 103174685), (35, 82539748), (37, 78078140), (70, 41269874), (74, 39039070), (140, 20634937), (148, 19519535), (185, 15615628), (259, 11154020), (370, 7807814), (518, 5577010), (740, 3903907), (1036, 2788505), (1295, 2230804), (1369, 2110220), (2590, 1115402), (2738, 1055110), (5180, 557701), (5476, 527555), (6845, 422044), (9583, 301460), (13690, 211022), (15073, 191660), (19166, 150730), (27380, 105511), (30146, 95830), (38332, 75365), (47915, 60292)]