1993880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7139

約数の個数: 32

約数和(自身を含む): 5127840

約数和(自身を除く): 3133960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7121, 14242, 28484, 35605, 49847, 56968, 71210, 99694, 142420, 199388, 249235, 284840, 398776, 498470, 996940, 1993880]

約数ペア:

[(1, 1993880), (2, 996940), (4, 498470), (5, 398776), (7, 284840), (8, 249235), (10, 199388), (14, 142420), (20, 99694), (28, 71210), (35, 56968), (40, 49847), (56, 35605), (70, 28484), (140, 14242), (280, 7121)]