28614380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 63715680

約数和(自身を除く): 35101300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 293, 380, 514, 586, 1028, 1172, 1285, 1465, 2570, 2930, 4883, 5140, 5567, 5860, 9766, 11134, 19532, 22268, 24415, 27835, 48830, 55670, 75301, 97660, 111340, 150602, 301204, 376505, 753010, 1430719, 1506020, 2861438, 5722876, 7153595, 14307190, 28614380]

約数ペア:

[(1, 28614380), (2, 14307190), (4, 7153595), (5, 5722876), (10, 2861438), (19, 1506020), (20, 1430719), (38, 753010), (76, 376505), (95, 301204), (190, 150602), (257, 111340), (293, 97660), (380, 75301), (514, 55670), (586, 48830), (1028, 27835), (1172, 24415), (1285, 22268), (1465, 19532), (2570, 11134), (2930, 9766), (4883, 5860), (5140, 5567)]