665199220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{5381}}^1$

素因数の和:6280

約数の個数: 48

約数和(自身を含む): 1598583168

約数和(自身を除く): 933383948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 883, 1766, 3532, 4415, 5381, 6181, 8830, 10762, 12362, 17660, 21524, 24724, 26905, 30905, 37667, 53810, 61810, 75334, 107620, 123620, 150668, 188335, 376670, 753340, 4751423, 9502846, 19005692, 23757115, 33259961, 47514230, 66519922, 95028460, 133039844, 166299805, 332599610, 665199220]

約数ペア:

[(1, 665199220), (2, 332599610), (4, 166299805), (5, 133039844), (7, 95028460), (10, 66519922), (14, 47514230), (20, 33259961), (28, 23757115), (35, 19005692), (70, 9502846), (140, 4751423), (883, 753340), (1766, 376670), (3532, 188335), (4415, 150668), (5381, 123620), (6181, 107620), (8830, 75334), (10762, 61810), (12362, 53810), (17660, 37667), (21524, 30905), (24724, 26905)]