131276380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2557}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 293944896

約数和(自身を除く): 162668516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 302, 340, 604, 755, 1510, 2557, 2567, 3020, 5114, 5134, 10228, 10268, 12785, 12835, 25570, 25670, 43469, 51140, 51340, 86938, 173876, 217345, 386107, 434690, 772214, 869380, 1544428, 1930535, 3861070, 6563819, 7722140, 13127638, 26255276, 32819095, 65638190, 131276380]

約数ペア:

[(1, 131276380), (2, 65638190), (4, 32819095), (5, 26255276), (10, 13127638), (17, 7722140), (20, 6563819), (34, 3861070), (68, 1930535), (85, 1544428), (151, 869380), (170, 772214), (302, 434690), (340, 386107), (604, 217345), (755, 173876), (1510, 86938), (2557, 51340), (2567, 51140), (3020, 43469), (5114, 25670), (5134, 25570), (10228, 12835), (10268, 12785)]