201489560

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 260404840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 179, 214, 263, 358, 428, 526, 535, 716, 856, 895, 1052, 1070, 1315, 1432, 1790, 2104, 2140, 2630, 3580, 4280, 5260, 7160, 10520, 19153, 28141, 38306, 47077, 56282, 76612, 94154, 95765, 112564, 140705, 153224, 188308, 191530, 225128, 235385, 281410, 376616, 383060, 470770, 562820, 766120, 941540, 1125640, 1883080, 5037239, 10074478, 20148956, 25186195, 40297912, 50372390, 100744780, 201489560]

約数ペア:

[(1, 201489560), (2, 100744780), (4, 50372390), (5, 40297912), (8, 25186195), (10, 20148956), (20, 10074478), (40, 5037239), (107, 1883080), (179, 1125640), (214, 941540), (263, 766120), (358, 562820), (428, 470770), (526, 383060), (535, 376616), (716, 281410), (856, 235385), (895, 225128), (1052, 191530), (1070, 188308), (1315, 153224), (1432, 140705), (1790, 112564), (2104, 95765), (2140, 94154), (2630, 76612), (3580, 56282), (4280, 47077), (5260, 38306), (7160, 28141), (10520, 19153)]