257855820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{148193}}^1$

素因数の和:148234

約数の個数: 48

約数和(自身を含む): 746897760

約数和(自身を除く): 489041940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 148193, 296386, 444579, 592772, 740965, 889158, 1481930, 1778316, 2222895, 2963860, 4297597, 4445790, 8595194, 8891580, 12892791, 17190388, 21487985, 25785582, 42975970, 51571164, 64463955, 85951940, 128927910, 257855820]

約数ペア:

[(1, 257855820), (2, 128927910), (3, 85951940), (4, 64463955), (5, 51571164), (6, 42975970), (10, 25785582), (12, 21487985), (15, 17190388), (20, 12892791), (29, 8891580), (30, 8595194), (58, 4445790), (60, 4297597), (87, 2963860), (116, 2222895), (145, 1778316), (174, 1481930), (290, 889158), (348, 740965), (435, 592772), (580, 444579), (870, 296386), (1740, 148193)]