66765860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4457}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 161771904

約数和(自身を除く): 95006044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 4457, 7490, 8914, 14980, 17828, 22285, 31199, 44570, 62398, 89140, 124796, 155995, 311990, 476899, 623980, 953798, 1907596, 2384495, 3338293, 4768990, 6676586, 9537980, 13353172, 16691465, 33382930, 66765860]

約数ペア:

[(1, 66765860), (2, 33382930), (4, 16691465), (5, 13353172), (7, 9537980), (10, 6676586), (14, 4768990), (20, 3338293), (28, 2384495), (35, 1907596), (70, 953798), (107, 623980), (140, 476899), (214, 311990), (428, 155995), (535, 124796), (749, 89140), (1070, 62398), (1498, 44570), (2140, 31199), (2996, 22285), (3745, 17828), (4457, 14980), (7490, 8914)]