2845780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20327}}^1$

素因数の和:20343

約数の個数: 24

約数和(自身を含む): 6830208

約数和(自身を除く): 3984428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20327, 40654, 81308, 101635, 142289, 203270, 284578, 406540, 569156, 711445, 1422890, 2845780]

約数ペア:

[(1, 2845780), (2, 1422890), (4, 711445), (5, 569156), (7, 406540), (10, 284578), (14, 203270), (20, 142289), (28, 101635), (35, 81308), (70, 40654), (140, 20327)]