71668660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1889}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 101062220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1889, 1897, 2710, 3778, 3794, 5420, 7556, 7588, 9445, 9485, 13223, 18890, 18970, 26446, 37780, 37940, 52892, 66115, 132230, 264460, 511919, 1023838, 2047676, 2559595, 3583433, 5119190, 7166866, 10238380, 14333732, 17917165, 35834330, 71668660]

約数ペア:

[(1, 71668660), (2, 35834330), (4, 17917165), (5, 14333732), (7, 10238380), (10, 7166866), (14, 5119190), (20, 3583433), (28, 2559595), (35, 2047676), (70, 1023838), (140, 511919), (271, 264460), (542, 132230), (1084, 66115), (1355, 52892), (1889, 37940), (1897, 37780), (2710, 26446), (3778, 18970), (3794, 18890), (5420, 13223), (7556, 9485), (7588, 9445)]