399331310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 836352000

約数和(自身を除く): 437020690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 199, 218, 263, 398, 526, 545, 763, 995, 1090, 1315, 1393, 1526, 1841, 1990, 2630, 2786, 3682, 3815, 6965, 7630, 9205, 13930, 18410, 21691, 28667, 43382, 52337, 57334, 104674, 108455, 143335, 151837, 200669, 216910, 261685, 286670, 303674, 366359, 401338, 523370, 732718, 759185, 1003345, 1518370, 1831795, 2006690, 3663590, 5704733, 11409466, 28523665, 39933131, 57047330, 79866262, 199665655, 399331310]

約数ペア:

[(1, 399331310), (2, 199665655), (5, 79866262), (7, 57047330), (10, 39933131), (14, 28523665), (35, 11409466), (70, 5704733), (109, 3663590), (199, 2006690), (218, 1831795), (263, 1518370), (398, 1003345), (526, 759185), (545, 732718), (763, 523370), (995, 401338), (1090, 366359), (1315, 303674), (1393, 286670), (1526, 261685), (1841, 216910), (1990, 200669), (2630, 151837), (2786, 143335), (3682, 108455), (3815, 104674), (6965, 57334), (7630, 52337), (9205, 43382), (13930, 28667), (18410, 21691)]