199715120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:1938

約数の個数: 80

約数和(自身を含む): 510824448

約数和(自身を除く): 311109328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1270, 1397, 1787, 2032, 2540, 2794, 3574, 5080, 5588, 6985, 7148, 8935, 10160, 11176, 13970, 14296, 17870, 19657, 22352, 27940, 28592, 35740, 39314, 55880, 71480, 78628, 98285, 111760, 142960, 157256, 196570, 226949, 314512, 393140, 453898, 786280, 907796, 1134745, 1572560, 1815592, 2269490, 2496439, 3631184, 4538980, 4992878, 9077960, 9985756, 12482195, 18155920, 19971512, 24964390, 39943024, 49928780, 99857560, 199715120]

約数ペア:

[(1, 199715120), (2, 99857560), (4, 49928780), (5, 39943024), (8, 24964390), (10, 19971512), (11, 18155920), (16, 12482195), (20, 9985756), (22, 9077960), (40, 4992878), (44, 4538980), (55, 3631184), (80, 2496439), (88, 2269490), (110, 1815592), (127, 1572560), (176, 1134745), (220, 907796), (254, 786280), (440, 453898), (508, 393140), (635, 314512), (880, 226949), (1016, 196570), (1270, 157256), (1397, 142960), (1787, 111760), (2032, 98285), (2540, 78628), (2794, 71480), (3574, 55880), (5080, 39314), (5588, 35740), (6985, 28592), (7148, 27940), (8935, 22352), (10160, 19657), (11176, 17870), (13970, 14296)]