91027580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1303}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 219072000

約数和(自身を除く): 128044420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1303, 1996, 2495, 2606, 3493, 4990, 5212, 6515, 6986, 9121, 9980, 13030, 13972, 17465, 18242, 26060, 34930, 36484, 45605, 69860, 91210, 182420, 650197, 1300394, 2600788, 3250985, 4551379, 6501970, 9102758, 13003940, 18205516, 22756895, 45513790, 91027580]

約数ペア:

[(1, 91027580), (2, 45513790), (4, 22756895), (5, 18205516), (7, 13003940), (10, 9102758), (14, 6501970), (20, 4551379), (28, 3250985), (35, 2600788), (70, 1300394), (140, 650197), (499, 182420), (998, 91210), (1303, 69860), (1996, 45605), (2495, 36484), (2606, 34930), (3493, 26060), (4990, 18242), (5212, 17465), (6515, 13972), (6986, 13030), (9121, 9980)]