258655040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{115471}}^1$

素因数の和:115495

約数の個数: 56

約数和(自身を含む): 703917312

約数和(自身を除く): 445262272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 115471, 230942, 461884, 577355, 808297, 923768, 1154710, 1616594, 1847536, 2309420, 3233188, 3695072, 4041485, 4618840, 6466376, 7390144, 8082970, 9237680, 12932752, 16165940, 18475360, 25865504, 32331880, 36950720, 51731008, 64663760, 129327520, 258655040]

約数ペア:

[(1, 258655040), (2, 129327520), (4, 64663760), (5, 51731008), (7, 36950720), (8, 32331880), (10, 25865504), (14, 18475360), (16, 16165940), (20, 12932752), (28, 9237680), (32, 8082970), (35, 7390144), (40, 6466376), (56, 4618840), (64, 4041485), (70, 3695072), (80, 3233188), (112, 2309420), (140, 1847536), (160, 1616594), (224, 1154710), (280, 923768), (320, 808297), (448, 577355), (560, 461884), (1120, 230942), (2240, 115471)]