878173660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{482513}}^1$

素因数の和:482542

約数の個数: 48

約数和(自身を含む): 2269745856

約数和(自身を除く): 1391572196

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, 482513, 965026, 1930052, 2412565, 3377591, 4825130, 6272669, 6755182, 9650260, 12545338, 13510364, 16887955, 25090676, 31363345, 33775910, 43908683, 62726690, 67551820, 87817366, 125453380, 175634732, 219543415, 439086830, 878173660]

約数ペア:

[(1, 878173660), (2, 439086830), (4, 219543415), (5, 175634732), (7, 125453380), (10, 87817366), (13, 67551820), (14, 62726690), (20, 43908683), (26, 33775910), (28, 31363345), (35, 25090676), (52, 16887955), (65, 13510364), (70, 12545338), (91, 9650260), (130, 6755182), (140, 6272669), (182, 4825130), (260, 3377591), (364, 2412565), (455, 1930052), (910, 965026), (1820, 482513)]