280223780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{737431}}^1$

素因数の和:737459

約数の個数: 24

約数和(自身を含む): 619442880

約数和(自身を除く): 339219100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 737431, 1474862, 2949724, 3687155, 7374310, 14011189, 14748620, 28022378, 56044756, 70055945, 140111890, 280223780]

約数ペア:

[(1, 280223780), (2, 140111890), (4, 70055945), (5, 56044756), (10, 28022378), (19, 14748620), (20, 14011189), (38, 7374310), (76, 3687155), (95, 2949724), (190, 1474862), (380, 737431)]