2000941580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{395443}}^1$

素因数の和:395486

約数の個数: 48

約数和(自身を含む): 4783290624

約数和(自身を除く): 2782349044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 395443, 790886, 1581772, 1977215, 3954430, 4349873, 7908860, 8699746, 9095189, 17399492, 18190378, 21749365, 36380756, 43498730, 45475945, 86997460, 90951890, 100047079, 181903780, 200094158, 400188316, 500235395, 1000470790, 2000941580]

約数ペア:

[(1, 2000941580), (2, 1000470790), (4, 500235395), (5, 400188316), (10, 200094158), (11, 181903780), (20, 100047079), (22, 90951890), (23, 86997460), (44, 45475945), (46, 43498730), (55, 36380756), (92, 21749365), (110, 18190378), (115, 17399492), (220, 9095189), (230, 8699746), (253, 7908860), (460, 4349873), (506, 3954430), (1012, 1977215), (1265, 1581772), (2530, 790886), (5060, 395443)]