9927890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20261}}^1$

素因数の和:20282

約数の個数: 24

約数和(自身を含む): 20788812

約数和(自身を除く): 10860922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20261, 40522, 101305, 141827, 202610, 283654, 709135, 992789, 1418270, 1985578, 4963945, 9927890]

約数ペア:

[(1, 9927890), (2, 4963945), (5, 1985578), (7, 1418270), (10, 992789), (14, 709135), (35, 283654), (49, 202610), (70, 141827), (98, 101305), (245, 40522), (490, 20261)]