626286640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1035

約数の個数: 120

約数和(自身を含む): 1704547152

約数和(自身を除く): 1078260512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 197, 245, 280, 392, 394, 490, 560, 784, 788, 811, 980, 985, 1379, 1576, 1622, 1960, 1970, 2758, 3152, 3244, 3920, 3940, 4055, 5516, 5677, 6488, 6895, 7880, 8110, 9653, 11032, 11354, 12976, 13790, 15760, 16220, 19306, 22064, 22708, 27580, 28385, 32440, 38612, 39739, 45416, 48265, 55160, 56770, 64880, 77224, 79478, 90832, 96530, 110320, 113540, 154448, 158956, 159767, 193060, 198695, 227080, 317912, 319534, 386120, 397390, 454160, 635824, 639068, 772240, 794780, 798835, 1118369, 1278136, 1589560, 1597670, 2236738, 2556272, 3179120, 3195340, 4473476, 5591845, 6390680, 7828583, 8946952, 11183690, 12781360, 15657166, 17893904, 22367380, 31314332, 39142915, 44734760, 62628664, 78285830, 89469520, 125257328, 156571660, 313143320, 626286640]

約数ペア:

[(1, 626286640), (2, 313143320), (4, 156571660), (5, 125257328), (7, 89469520), (8, 78285830), (10, 62628664), (14, 44734760), (16, 39142915), (20, 31314332), (28, 22367380), (35, 17893904), (40, 15657166), (49, 12781360), (56, 11183690), (70, 8946952), (80, 7828583), (98, 6390680), (112, 5591845), (140, 4473476), (196, 3195340), (197, 3179120), (245, 2556272), (280, 2236738), (392, 1597670), (394, 1589560), (490, 1278136), (560, 1118369), (784, 798835), (788, 794780), (811, 772240), (980, 639068), (985, 635824), (1379, 454160), (1576, 397390), (1622, 386120), (1960, 319534), (1970, 317912), (2758, 227080), (3152, 198695), (3244, 193060), (3920, 159767), (3940, 158956), (4055, 154448), (5516, 113540), (5677, 110320), (6488, 96530), (6895, 90832), (7880, 79478), (8110, 77224), (9653, 64880), (11032, 56770), (11354, 55160), (12976, 48265), (13790, 45416), (15760, 39739), (16220, 38612), (19306, 32440), (22064, 28385), (22708, 27580)]