201520004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5189}}^1$

素因数の和:5292

約数の個数: 48

約数和(自身を含む): 430147200

約数和(自身を除く): 228627196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 1022, 1387, 2044, 2774, 5189, 5548, 9709, 10378, 19418, 20756, 36323, 38836, 72646, 98591, 145292, 197182, 378797, 394364, 690137, 757594, 1380274, 1515188, 2651579, 2760548, 5303158, 7197143, 10606316, 14394286, 28788572, 50380001, 100760002, 201520004]

約数ペア:

[(1, 201520004), (2, 100760002), (4, 50380001), (7, 28788572), (14, 14394286), (19, 10606316), (28, 7197143), (38, 5303158), (73, 2760548), (76, 2651579), (133, 1515188), (146, 1380274), (266, 757594), (292, 690137), (511, 394364), (532, 378797), (1022, 197182), (1387, 145292), (2044, 98591), (2774, 72646), (5189, 38836), (5548, 36323), (9709, 20756), (10378, 19418)]