251986900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{827}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 599399136

約数和(自身を除く): 347412236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 277, 550, 554, 827, 1100, 1108, 1385, 1654, 2770, 3047, 3308, 4135, 5540, 6094, 6925, 8270, 9097, 12188, 13850, 15235, 16540, 18194, 20675, 27700, 30470, 36388, 41350, 45485, 60940, 76175, 82700, 90970, 152350, 181940, 227425, 229079, 304700, 454850, 458158, 909700, 916316, 1145395, 2290790, 2519869, 4581580, 5039738, 5726975, 10079476, 11453950, 12599345, 22907900, 25198690, 50397380, 62996725, 125993450, 251986900]

約数ペア:

[(1, 251986900), (2, 125993450), (4, 62996725), (5, 50397380), (10, 25198690), (11, 22907900), (20, 12599345), (22, 11453950), (25, 10079476), (44, 5726975), (50, 5039738), (55, 4581580), (100, 2519869), (110, 2290790), (220, 1145395), (275, 916316), (277, 909700), (550, 458158), (554, 454850), (827, 304700), (1100, 229079), (1108, 227425), (1385, 181940), (1654, 152350), (2770, 90970), (3047, 82700), (3308, 76175), (4135, 60940), (5540, 45485), (6094, 41350), (6925, 36388), (8270, 30470), (9097, 27700), (12188, 20675), (13850, 18194), (15235, 16540)]