684148220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{7393}}^1$

素因数の和:8070

約数の個数: 48

約数和(自身を含む): 1644662208

約数和(自身を除く): 960513988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4627, 6610, 7393, 9254, 13220, 14786, 18508, 23135, 29572, 36965, 46270, 51751, 73930, 92540, 103502, 147860, 207004, 258755, 517510, 1035020, 4886773, 9773546, 19547092, 24433865, 34207411, 48867730, 68414822, 97735460, 136829644, 171037055, 342074110, 684148220]

約数ペア:

[(1, 684148220), (2, 342074110), (4, 171037055), (5, 136829644), (7, 97735460), (10, 68414822), (14, 48867730), (20, 34207411), (28, 24433865), (35, 19547092), (70, 9773546), (140, 4886773), (661, 1035020), (1322, 517510), (2644, 258755), (3305, 207004), (4627, 147860), (6610, 103502), (7393, 92540), (9254, 73930), (13220, 51751), (14786, 46270), (18508, 36965), (23135, 29572)]