66151820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3449}}^1$

素因数の和:3602

約数の個数: 48

約数和(自身を含む): 159969600

約数和(自身を除く): 93817780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3449, 3836, 4795, 6898, 9590, 13796, 17245, 19180, 24143, 34490, 48286, 68980, 96572, 120715, 241430, 472513, 482860, 945026, 1890052, 2362565, 3307591, 4725130, 6615182, 9450260, 13230364, 16537955, 33075910, 66151820]

約数ペア:

[(1, 66151820), (2, 33075910), (4, 16537955), (5, 13230364), (7, 9450260), (10, 6615182), (14, 4725130), (20, 3307591), (28, 2362565), (35, 1890052), (70, 945026), (137, 482860), (140, 472513), (274, 241430), (548, 120715), (685, 96572), (959, 68980), (1370, 48286), (1918, 34490), (2740, 24143), (3449, 19180), (3836, 17245), (4795, 13796), (6898, 9590)]