248917820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{547}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 533695008

約数和(自身を除く): 284777188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 373, 547, 610, 746, 1094, 1220, 1492, 1865, 2188, 2735, 3730, 5470, 7460, 10940, 22753, 33367, 45506, 66734, 91012, 113765, 133468, 166835, 204031, 227530, 333670, 408062, 455060, 667340, 816124, 1020155, 2040310, 4080620, 12445891, 24891782, 49783564, 62229455, 124458910, 248917820]

約数ペア:

[(1, 248917820), (2, 124458910), (4, 62229455), (5, 49783564), (10, 24891782), (20, 12445891), (61, 4080620), (122, 2040310), (244, 1020155), (305, 816124), (373, 667340), (547, 455060), (610, 408062), (746, 333670), (1094, 227530), (1220, 204031), (1492, 166835), (1865, 133468), (2188, 113765), (2735, 91012), (3730, 66734), (5470, 45506), (7460, 33367), (10940, 22753)]