391799380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{147293}}^1$

素因数の和:147328

約数の個数: 48

約数和(自身を含む): 989815680

約数和(自身を除く): 598016300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 147293, 294586, 589172, 736465, 1031051, 1472930, 2062102, 2798567, 2945860, 4124204, 5155255, 5597134, 10310510, 11194268, 13992835, 19589969, 20621020, 27985670, 39179938, 55971340, 78359876, 97949845, 195899690, 391799380]

約数ペア:

[(1, 391799380), (2, 195899690), (4, 97949845), (5, 78359876), (7, 55971340), (10, 39179938), (14, 27985670), (19, 20621020), (20, 19589969), (28, 13992835), (35, 11194268), (38, 10310510), (70, 5597134), (76, 5155255), (95, 4124204), (133, 2945860), (140, 2798567), (190, 2062102), (266, 1472930), (380, 1031051), (532, 736465), (665, 589172), (1330, 294586), (2660, 147293)]