132252220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 283046400

約数和(自身を除く): 150794180

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 191, 356, 382, 389, 445, 764, 778, 890, 955, 1556, 1780, 1910, 1945, 3820, 3890, 7780, 16999, 33998, 34621, 67996, 69242, 74299, 84995, 138484, 148598, 169990, 173105, 297196, 339980, 346210, 371495, 692420, 742990, 1485980, 6612611, 13225222, 26450444, 33063055, 66126110, 132252220]

約数ペア:

[(1, 132252220), (2, 66126110), (4, 33063055), (5, 26450444), (10, 13225222), (20, 6612611), (89, 1485980), (178, 742990), (191, 692420), (356, 371495), (382, 346210), (389, 339980), (445, 297196), (764, 173105), (778, 169990), (890, 148598), (955, 138484), (1556, 84995), (1780, 74299), (1910, 69242), (1945, 67996), (3820, 34621), (3890, 33998), (7780, 16999)]