48649180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 104569920

約数和(自身を除く): 55920740

約数列:

[1, 2, 4, 5, 10, 20, 89, 151, 178, 181, 302, 356, 362, 445, 604, 724, 755, 890, 905, 1510, 1780, 1810, 3020, 3620, 13439, 16109, 26878, 27331, 32218, 53756, 54662, 64436, 67195, 80545, 109324, 134390, 136655, 161090, 268780, 273310, 322180, 546620, 2432459, 4864918, 9729836, 12162295, 24324590, 48649180]

約数ペア:

[(1, 48649180), (2, 24324590), (4, 12162295), (5, 9729836), (10, 4864918), (20, 2432459), (89, 546620), (151, 322180), (178, 273310), (181, 268780), (302, 161090), (356, 136655), (362, 134390), (445, 109324), (604, 80545), (724, 67195), (755, 64436), (890, 54662), (905, 53756), (1510, 32218), (1780, 27331), (1810, 26878), (3020, 16109), (3620, 13439)]