447007480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 1030164480

約数和(自身を除く): 583157000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1420, 1471, 2140, 2840, 2942, 4280, 5884, 7355, 7597, 11768, 14710, 15194, 29420, 30388, 37985, 58840, 60776, 75970, 104441, 151940, 157397, 208882, 303880, 314794, 417764, 522205, 629588, 786985, 835528, 1044410, 1259176, 1573970, 2088820, 3147940, 4177640, 6295880, 11175187, 22350374, 44700748, 55875935, 89401496, 111751870, 223503740, 447007480]

約数ペア:

[(1, 447007480), (2, 223503740), (4, 111751870), (5, 89401496), (8, 55875935), (10, 44700748), (20, 22350374), (40, 11175187), (71, 6295880), (107, 4177640), (142, 3147940), (214, 2088820), (284, 1573970), (355, 1259176), (428, 1044410), (535, 835528), (568, 786985), (710, 629588), (856, 522205), (1070, 417764), (1420, 314794), (1471, 303880), (2140, 208882), (2840, 157397), (2942, 151940), (4280, 104441), (5884, 75970), (7355, 60776), (7597, 58840), (11768, 37985), (14710, 30388), (15194, 29420)]