55505380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{883}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 133660800

約数和(自身を除く): 78155420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 883, 898, 1766, 1796, 2245, 3143, 3532, 4415, 4490, 6181, 6286, 8830, 8980, 12362, 12572, 15715, 17660, 24724, 30905, 31430, 61810, 62860, 123620, 396467, 792934, 1585868, 1982335, 2775269, 3964670, 5550538, 7929340, 11101076, 13876345, 27752690, 55505380]

約数ペア:

[(1, 55505380), (2, 27752690), (4, 13876345), (5, 11101076), (7, 7929340), (10, 5550538), (14, 3964670), (20, 2775269), (28, 1982335), (35, 1585868), (70, 792934), (140, 396467), (449, 123620), (883, 62860), (898, 61810), (1766, 31430), (1796, 30905), (2245, 24724), (3143, 17660), (3532, 15715), (4415, 12572), (4490, 12362), (6181, 8980), (6286, 8830)]