203967820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2693}}^1$

素因数の和:3250

約数の個数: 48

約数和(自身を含む): 490609728

約数和(自身を除く): 286641908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 1082, 2164, 2693, 2705, 3787, 5386, 5410, 7574, 10772, 10820, 13465, 15148, 18851, 18935, 26930, 37702, 37870, 53860, 75404, 75740, 94255, 188510, 377020, 1456913, 2913826, 5827652, 7284565, 10198391, 14569130, 20396782, 29138260, 40793564, 50991955, 101983910, 203967820]

約数ペア:

[(1, 203967820), (2, 101983910), (4, 50991955), (5, 40793564), (7, 29138260), (10, 20396782), (14, 14569130), (20, 10198391), (28, 7284565), (35, 5827652), (70, 2913826), (140, 1456913), (541, 377020), (1082, 188510), (2164, 94255), (2693, 75740), (2705, 75404), (3787, 53860), (5386, 37870), (5410, 37702), (7574, 26930), (10772, 18935), (10820, 18851), (13465, 15148)]