206571820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113501}}^1$

素因数の和:113530

約数の個数: 48

約数和(自身を含む): 533913408

約数和(自身を除く): 327341588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 113501, 227002, 454004, 567505, 794507, 1135010, 1475513, 1589014, 2270020, 2951026, 3178028, 3972535, 5902052, 7377565, 7945070, 10328591, 14755130, 15890140, 20657182, 29510260, 41314364, 51642955, 103285910, 206571820]

約数ペア:

[(1, 206571820), (2, 103285910), (4, 51642955), (5, 41314364), (7, 29510260), (10, 20657182), (13, 15890140), (14, 14755130), (20, 10328591), (26, 7945070), (28, 7377565), (35, 5902052), (52, 3972535), (65, 3178028), (70, 2951026), (91, 2270020), (130, 1589014), (140, 1475513), (182, 1135010), (260, 794507), (364, 567505), (455, 454004), (910, 227002), (1820, 113501)]