996876870760

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{5689}}^1\times {\mathrm{8779}}^1$

素因数の和:14978

約数の個数: 64

約数和(自身を含む): 2248119000000

約数和(自身を除く): 1251242129240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 5689, 8779, 9980, 11378, 17558, 19960, 22756, 28445, 35116, 43895, 45512, 56890, 70232, 87790, 113780, 175580, 227560, 351160, 2838811, 4380721, 5677622, 8761442, 11355244, 14194055, 17522884, 21903605, 22710488, 28388110, 35045768, 43807210, 49943731, 56776220, 87614420, 99887462, 113552440, 175228840, 199774924, 249718655, 399549848, 499437310, 998874620, 1997749240, 24921921769, 49843843538, 99687687076, 124609608845, 199375374152, 249219217690, 498438435380, 996876870760]

約数ペア:

[(1, 996876870760), (2, 498438435380), (4, 249219217690), (5, 199375374152), (8, 124609608845), (10, 99687687076), (20, 49843843538), (40, 24921921769), (499, 1997749240), (998, 998874620), (1996, 499437310), (2495, 399549848), (3992, 249718655), (4990, 199774924), (5689, 175228840), (8779, 113552440), (9980, 99887462), (11378, 87614420), (17558, 56776220), (19960, 49943731), (22756, 43807210), (28445, 35045768), (35116, 28388110), (43895, 22710488), (45512, 21903605), (56890, 17522884), (70232, 14194055), (87790, 11355244), (113780, 8761442), (175580, 5677622), (227560, 4380721), (351160, 2838811)]