200515220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 429649920

約数和(自身を除く): 229134700

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 445, 508, 635, 887, 890, 1270, 1774, 1780, 2540, 3548, 4435, 8870, 11303, 17740, 22606, 45212, 56515, 78943, 112649, 113030, 157886, 225298, 226060, 315772, 394715, 450596, 563245, 789430, 1126490, 1578860, 2252980, 10025761, 20051522, 40103044, 50128805, 100257610, 200515220]

約数ペア:

[(1, 200515220), (2, 100257610), (4, 50128805), (5, 40103044), (10, 20051522), (20, 10025761), (89, 2252980), (127, 1578860), (178, 1126490), (254, 789430), (356, 563245), (445, 450596), (508, 394715), (635, 315772), (887, 226060), (890, 225298), (1270, 157886), (1774, 113030), (1780, 112649), (2540, 78943), (3548, 56515), (4435, 45212), (8870, 22606), (11303, 17740)]