138089840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{35227}}^1$

素因数の和:35254

約数の個数: 60

約数和(自身を含む): 373487256

約数和(自身を除く): 235397416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 35227, 70454, 140908, 176135, 246589, 281816, 352270, 493178, 563632, 704540, 986356, 1232945, 1409080, 1726123, 1972712, 2465890, 2818160, 3452246, 3945424, 4931780, 6904492, 8630615, 9863560, 13808984, 17261230, 19727120, 27617968, 34522460, 69044920, 138089840]

約数ペア:

[(1, 138089840), (2, 69044920), (4, 34522460), (5, 27617968), (7, 19727120), (8, 17261230), (10, 13808984), (14, 9863560), (16, 8630615), (20, 6904492), (28, 4931780), (35, 3945424), (40, 3452246), (49, 2818160), (56, 2465890), (70, 1972712), (80, 1726123), (98, 1409080), (112, 1232945), (140, 986356), (196, 704540), (245, 563632), (280, 493178), (392, 352270), (490, 281816), (560, 246589), (784, 176135), (980, 140908), (1960, 70454), (3920, 35227)]