878037020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{6581}}^1$

素因数の和:7550

約数の個数: 48

約数和(自身を含む): 2109820608

約数和(自身を除く): 1231783588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 953, 1906, 3812, 4765, 6581, 6671, 9530, 13162, 13342, 19060, 26324, 26684, 32905, 33355, 46067, 65810, 66710, 92134, 131620, 133420, 184268, 230335, 460670, 921340, 6271693, 12543386, 25086772, 31358465, 43901851, 62716930, 87803702, 125433860, 175607404, 219509255, 439018510, 878037020]

約数ペア:

[(1, 878037020), (2, 439018510), (4, 219509255), (5, 175607404), (7, 125433860), (10, 87803702), (14, 62716930), (20, 43901851), (28, 31358465), (35, 25086772), (70, 12543386), (140, 6271693), (953, 921340), (1906, 460670), (3812, 230335), (4765, 184268), (6581, 133420), (6671, 131620), (9530, 92134), (13162, 66710), (13342, 65810), (19060, 46067), (26324, 33355), (26684, 32905)]