1393180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 2998800

約数和(自身を除く): 1605620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1699, 3398, 6796, 8495, 16990, 33980, 69659, 139318, 278636, 348295, 696590, 1393180]

約数ペア:

[(1, 1393180), (2, 696590), (4, 348295), (5, 278636), (10, 139318), (20, 69659), (41, 33980), (82, 16990), (164, 8495), (205, 6796), (410, 3398), (820, 1699)]