51302020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4759}}^1$

素因数の和:4793

約数の個数: 72

約数和(自身を含む): 136745280

約数和(自身を除く): 85443260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 4759, 5390, 9518, 10780, 19036, 23795, 33313, 47590, 52349, 66626, 95180, 104698, 133252, 166565, 209396, 233191, 261745, 333130, 366443, 466382, 523490, 666260, 732886, 932764, 1046980, 1165955, 1465772, 1832215, 2331910, 2565101, 3664430, 4663820, 5130202, 7328860, 10260404, 12825505, 25651010, 51302020]

約数ペア:

[(1, 51302020), (2, 25651010), (4, 12825505), (5, 10260404), (7, 7328860), (10, 5130202), (11, 4663820), (14, 3664430), (20, 2565101), (22, 2331910), (28, 1832215), (35, 1465772), (44, 1165955), (49, 1046980), (55, 932764), (70, 732886), (77, 666260), (98, 523490), (110, 466382), (140, 366443), (154, 333130), (196, 261745), (220, 233191), (245, 209396), (308, 166565), (385, 133252), (490, 104698), (539, 95180), (770, 66626), (980, 52349), (1078, 47590), (1540, 33313), (2156, 23795), (2695, 19036), (4759, 10780), (5390, 9518)]