1993260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3651540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 239, 278, 417, 478, 556, 695, 717, 834, 956, 1195, 1390, 1434, 1668, 2085, 2390, 2780, 2868, 3585, 4170, 4780, 7170, 8340, 14340, 33221, 66442, 99663, 132884, 166105, 199326, 332210, 398652, 498315, 664420, 996630, 1993260]

約数ペア:

[(1, 1993260), (2, 996630), (3, 664420), (4, 498315), (5, 398652), (6, 332210), (10, 199326), (12, 166105), (15, 132884), (20, 99663), (30, 66442), (60, 33221), (139, 14340), (239, 8340), (278, 7170), (417, 4780), (478, 4170), (556, 3585), (695, 2868), (717, 2780), (834, 2390), (956, 2085), (1195, 1668), (1390, 1434)]