203422580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^2$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 459986688

約数和(自身を除く): 256564108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 97, 115, 188, 194, 230, 235, 388, 460, 470, 485, 940, 970, 1081, 1940, 2162, 2231, 4324, 4462, 4559, 5405, 8924, 9118, 9409, 10810, 11155, 18236, 18818, 21620, 22310, 22795, 37636, 44620, 45590, 47045, 91180, 94090, 104857, 188180, 209714, 216407, 419428, 432814, 442223, 524285, 865628, 884446, 1048570, 1082035, 1768892, 2097140, 2164070, 2211115, 4328140, 4422230, 8844460, 10171129, 20342258, 40684516, 50855645, 101711290, 203422580]

約数ペア:

[(1, 203422580), (2, 101711290), (4, 50855645), (5, 40684516), (10, 20342258), (20, 10171129), (23, 8844460), (46, 4422230), (47, 4328140), (92, 2211115), (94, 2164070), (97, 2097140), (115, 1768892), (188, 1082035), (194, 1048570), (230, 884446), (235, 865628), (388, 524285), (460, 442223), (470, 432814), (485, 419428), (940, 216407), (970, 209714), (1081, 188180), (1940, 104857), (2162, 94090), (2231, 91180), (4324, 47045), (4462, 45590), (4559, 44620), (5405, 37636), (8924, 22795), (9118, 22310), (9409, 21620), (10810, 18818), (11155, 18236)]