265219640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1433}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 683501760

約数和(自身を除く): 418282120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 1322, 1433, 2644, 2866, 3305, 4627, 5288, 5732, 6610, 7165, 9254, 10031, 11464, 13220, 14330, 18508, 20062, 23135, 26440, 28660, 37016, 40124, 46270, 50155, 57320, 80248, 92540, 100310, 185080, 200620, 401240, 947213, 1894426, 3788852, 4736065, 6630491, 7577704, 9472130, 13260982, 18944260, 26521964, 33152455, 37888520, 53043928, 66304910, 132609820, 265219640]

約数ペア:

[(1, 265219640), (2, 132609820), (4, 66304910), (5, 53043928), (7, 37888520), (8, 33152455), (10, 26521964), (14, 18944260), (20, 13260982), (28, 9472130), (35, 7577704), (40, 6630491), (56, 4736065), (70, 3788852), (140, 1894426), (280, 947213), (661, 401240), (1322, 200620), (1433, 185080), (2644, 100310), (2866, 92540), (3305, 80248), (4627, 57320), (5288, 50155), (5732, 46270), (6610, 40124), (7165, 37016), (9254, 28660), (10031, 26440), (11464, 23135), (13220, 20062), (14330, 18508)]