2193420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 6209280

約数和(自身を除く): 4015860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 263, 278, 417, 526, 556, 695, 789, 834, 1052, 1315, 1390, 1578, 1668, 2085, 2630, 2780, 3156, 3945, 4170, 5260, 7890, 8340, 15780, 36557, 73114, 109671, 146228, 182785, 219342, 365570, 438684, 548355, 731140, 1096710, 2193420]

約数ペア:

[(1, 2193420), (2, 1096710), (3, 731140), (4, 548355), (5, 438684), (6, 365570), (10, 219342), (12, 182785), (15, 146228), (20, 109671), (30, 73114), (60, 36557), (139, 15780), (263, 8340), (278, 7890), (417, 5260), (526, 4170), (556, 3945), (695, 3156), (789, 2780), (834, 2630), (1052, 2085), (1315, 1668), (1390, 1578)]