2889880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10321}}^1$

素因数の和:10339

約数の個数: 32

約数和(自身を含む): 7431840

約数和(自身を除く): 4541960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10321, 20642, 41284, 51605, 72247, 82568, 103210, 144494, 206420, 288988, 361235, 412840, 577976, 722470, 1444940, 2889880]

約数ペア:

[(1, 2889880), (2, 1444940), (4, 722470), (5, 577976), (7, 412840), (8, 361235), (10, 288988), (14, 206420), (20, 144494), (28, 103210), (35, 82568), (40, 72247), (56, 51605), (70, 41284), (140, 20642), (280, 10321)]