3990500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 9120384

約数和(自身を除く): 5129884

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 347, 460, 500, 575, 694, 1150, 1388, 1735, 2300, 2875, 3470, 5750, 6940, 7981, 8675, 11500, 15962, 17350, 31924, 34700, 39905, 43375, 79810, 86750, 159620, 173500, 199525, 399050, 798100, 997625, 1995250, 3990500]

約数ペア:

[(1, 3990500), (2, 1995250), (4, 997625), (5, 798100), (10, 399050), (20, 199525), (23, 173500), (25, 159620), (46, 86750), (50, 79810), (92, 43375), (100, 39905), (115, 34700), (125, 31924), (230, 17350), (250, 15962), (347, 11500), (460, 8675), (500, 7981), (575, 6940), (694, 5750), (1150, 3470), (1388, 2875), (1735, 2300)]