87561740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1973}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 210917952

約数和(自身を除く): 123356212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 1973, 2219, 3170, 3946, 4438, 6340, 7892, 8876, 9865, 11095, 13811, 19730, 22190, 27622, 39460, 44380, 55244, 69055, 138110, 276220, 625441, 1250882, 2501764, 3127205, 4378087, 6254410, 8756174, 12508820, 17512348, 21890435, 43780870, 87561740]

約数ペア:

[(1, 87561740), (2, 43780870), (4, 21890435), (5, 17512348), (7, 12508820), (10, 8756174), (14, 6254410), (20, 4378087), (28, 3127205), (35, 2501764), (70, 1250882), (140, 625441), (317, 276220), (634, 138110), (1268, 69055), (1585, 55244), (1973, 44380), (2219, 39460), (3170, 27622), (3946, 22190), (4438, 19730), (6340, 13811), (7892, 11095), (8876, 9865)]