2769340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 6741504

約数和(自身を除く): 3972164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 151, 262, 302, 524, 604, 655, 755, 917, 1057, 1310, 1510, 1834, 2114, 2620, 3020, 3668, 4228, 4585, 5285, 9170, 10570, 18340, 19781, 21140, 39562, 79124, 98905, 138467, 197810, 276934, 395620, 553868, 692335, 1384670, 2769340]

約数ペア:

[(1, 2769340), (2, 1384670), (4, 692335), (5, 553868), (7, 395620), (10, 276934), (14, 197810), (20, 138467), (28, 98905), (35, 79124), (70, 39562), (131, 21140), (140, 19781), (151, 18340), (262, 10570), (302, 9170), (524, 5285), (604, 4585), (655, 4228), (755, 3668), (917, 3020), (1057, 2620), (1310, 2114), (1510, 1834)]