201923980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 431446176

約数和(自身を除く): 229522196

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 214, 314, 428, 535, 601, 628, 785, 1070, 1202, 1570, 2140, 2404, 3005, 3140, 6010, 12020, 16799, 33598, 64307, 67196, 83995, 94357, 128614, 167990, 188714, 257228, 321535, 335980, 377428, 471785, 643070, 943570, 1286140, 1887140, 10096199, 20192398, 40384796, 50480995, 100961990, 201923980]

約数ペア:

[(1, 201923980), (2, 100961990), (4, 50480995), (5, 40384796), (10, 20192398), (20, 10096199), (107, 1887140), (157, 1286140), (214, 943570), (314, 643070), (428, 471785), (535, 377428), (601, 335980), (628, 321535), (785, 257228), (1070, 188714), (1202, 167990), (1570, 128614), (2140, 94357), (2404, 83995), (3005, 67196), (3140, 64307), (6010, 33598), (12020, 16799)]