2009705960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{2377}}^1$

素因数の和:3330

約数の個数: 64

約数和(自身を含む): 4725561600

約数和(自身を除く): 2715855640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 919, 920, 1838, 2377, 3676, 4595, 4754, 7352, 9190, 9508, 11885, 18380, 19016, 21137, 23770, 36760, 42274, 47540, 54671, 84548, 95080, 105685, 109342, 169096, 211370, 218684, 273355, 422740, 437368, 546710, 845480, 1093420, 2184463, 2186840, 4368926, 8737852, 10922315, 17475704, 21844630, 43689260, 50242649, 87378520, 100485298, 200970596, 251213245, 401941192, 502426490, 1004852980, 2009705960]

約数ペア:

[(1, 2009705960), (2, 1004852980), (4, 502426490), (5, 401941192), (8, 251213245), (10, 200970596), (20, 100485298), (23, 87378520), (40, 50242649), (46, 43689260), (92, 21844630), (115, 17475704), (184, 10922315), (230, 8737852), (460, 4368926), (919, 2186840), (920, 2184463), (1838, 1093420), (2377, 845480), (3676, 546710), (4595, 437368), (4754, 422740), (7352, 273355), (9190, 218684), (9508, 211370), (11885, 169096), (18380, 109342), (19016, 105685), (21137, 95080), (23770, 84548), (36760, 54671), (42274, 47540)]