208016690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 437184000

約数和(自身を除く): 229167310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 137, 199, 218, 274, 398, 545, 685, 763, 959, 995, 1090, 1370, 1393, 1526, 1918, 1990, 2786, 3815, 4795, 6965, 7630, 9590, 13930, 14933, 21691, 27263, 29866, 43382, 54526, 74665, 104531, 108455, 136315, 149330, 151837, 190841, 209062, 216910, 272630, 303674, 381682, 522655, 759185, 954205, 1045310, 1518370, 1908410, 2971667, 5943334, 14858335, 20801669, 29716670, 41603338, 104008345, 208016690]

約数ペア:

[(1, 208016690), (2, 104008345), (5, 41603338), (7, 29716670), (10, 20801669), (14, 14858335), (35, 5943334), (70, 2971667), (109, 1908410), (137, 1518370), (199, 1045310), (218, 954205), (274, 759185), (398, 522655), (545, 381682), (685, 303674), (763, 272630), (959, 216910), (995, 209062), (1090, 190841), (1370, 151837), (1393, 149330), (1526, 136315), (1918, 108455), (1990, 104531), (2786, 74665), (3815, 54526), (4795, 43382), (6965, 29866), (7630, 27263), (9590, 21691), (13930, 14933)]