209489140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{5107}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 504588672

約数和(自身を除く): 295099532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 2051, 2930, 4102, 5107, 5860, 8204, 10214, 10255, 20428, 20510, 25535, 35749, 41020, 51070, 71498, 102140, 142996, 178745, 357490, 714980, 1496351, 2992702, 5985404, 7481755, 10474457, 14963510, 20948914, 29927020, 41897828, 52372285, 104744570, 209489140]

約数ペア:

[(1, 209489140), (2, 104744570), (4, 52372285), (5, 41897828), (7, 29927020), (10, 20948914), (14, 14963510), (20, 10474457), (28, 7481755), (35, 5985404), (70, 2992702), (140, 1496351), (293, 714980), (586, 357490), (1172, 178745), (1465, 142996), (2051, 102140), (2930, 71498), (4102, 51070), (5107, 41020), (5860, 35749), (8204, 25535), (10214, 20510), (10255, 20428)]