899205580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{494069}}^1$

素因数の和:494098

約数の個数: 48

約数和(自身を含む): 2324105280

約数和(自身を除く): 1424899700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 494069, 988138, 1976276, 2470345, 3458483, 4940690, 6422897, 6916966, 9881380, 12845794, 13833932, 17292415, 25691588, 32114485, 34584830, 44960279, 64228970, 69169660, 89920558, 128457940, 179841116, 224801395, 449602790, 899205580]

約数ペア:

[(1, 899205580), (2, 449602790), (4, 224801395), (5, 179841116), (7, 128457940), (10, 89920558), (13, 69169660), (14, 64228970), (20, 44960279), (26, 34584830), (28, 32114485), (35, 25691588), (52, 17292415), (65, 13833932), (70, 12845794), (91, 9881380), (130, 6916966), (140, 6422897), (182, 4940690), (260, 3458483), (364, 2470345), (455, 1976276), (910, 988138), (1820, 494069)]