28384600

素因数分解:

$2^3\times 5^2\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 66346200

約数和(自身を除く): 37961600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 347, 409, 694, 818, 1388, 1636, 1735, 2045, 2776, 3272, 3470, 4090, 6940, 8180, 8675, 10225, 13880, 16360, 17350, 20450, 34700, 40900, 69400, 81800, 141923, 283846, 567692, 709615, 1135384, 1419230, 2838460, 3548075, 5676920, 7096150, 14192300, 28384600]

約数ペア:

[(1, 28384600), (2, 14192300), (4, 7096150), (5, 5676920), (8, 3548075), (10, 2838460), (20, 1419230), (25, 1135384), (40, 709615), (50, 567692), (100, 283846), (200, 141923), (347, 81800), (409, 69400), (694, 40900), (818, 34700), (1388, 20450), (1636, 17350), (1735, 16360), (2045, 13880), (2776, 10225), (3272, 8675), (3470, 8180), (4090, 6940)]