90220192

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 183284640

約数和(自身を除く): 93064448

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 173, 344, 346, 379, 688, 692, 758, 1376, 1384, 1516, 2768, 3032, 5536, 6064, 7439, 12128, 14878, 16297, 29756, 32594, 59512, 65188, 65567, 119024, 130376, 131134, 238048, 260752, 262268, 521504, 524536, 1049072, 2098144, 2819381, 5638762, 11277524, 22555048, 45110096, 90220192]

約数ペア:

[(1, 90220192), (2, 45110096), (4, 22555048), (8, 11277524), (16, 5638762), (32, 2819381), (43, 2098144), (86, 1049072), (172, 524536), (173, 521504), (344, 262268), (346, 260752), (379, 238048), (688, 131134), (692, 130376), (758, 119024), (1376, 65567), (1384, 65188), (1516, 59512), (2768, 32594), (3032, 29756), (5536, 16297), (6064, 14878), (7439, 12128)]