208095320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 485222400

約数和(自身を除く): 277127080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 940, 1420, 1559, 1880, 2840, 3118, 3337, 6236, 6674, 7795, 12472, 13348, 15590, 16685, 26696, 31180, 33370, 62360, 66740, 73273, 110689, 133480, 146546, 221378, 293092, 366365, 442756, 553445, 586184, 732730, 885512, 1106890, 1465460, 2213780, 2930920, 4427560, 5202383, 10404766, 20809532, 26011915, 41619064, 52023830, 104047660, 208095320]

約数ペア:

[(1, 208095320), (2, 104047660), (4, 52023830), (5, 41619064), (8, 26011915), (10, 20809532), (20, 10404766), (40, 5202383), (47, 4427560), (71, 2930920), (94, 2213780), (142, 1465460), (188, 1106890), (235, 885512), (284, 732730), (355, 586184), (376, 553445), (470, 442756), (568, 366365), (710, 293092), (940, 221378), (1420, 146546), (1559, 133480), (1880, 110689), (2840, 73273), (3118, 66740), (3337, 62360), (6236, 33370), (6674, 31180), (7795, 26696), (12472, 16685), (13348, 15590)]