9639980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1861}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 23774016

約数和(自身を除く): 14134036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1861, 2590, 3722, 5180, 7444, 9305, 13027, 18610, 26054, 37220, 52108, 65135, 68857, 130270, 137714, 260540, 275428, 344285, 481999, 688570, 963998, 1377140, 1927996, 2409995, 4819990, 9639980]

約数ペア:

[(1, 9639980), (2, 4819990), (4, 2409995), (5, 1927996), (7, 1377140), (10, 963998), (14, 688570), (20, 481999), (28, 344285), (35, 275428), (37, 260540), (70, 137714), (74, 130270), (140, 68857), (148, 65135), (185, 52108), (259, 37220), (370, 26054), (518, 18610), (740, 13027), (1036, 9305), (1295, 7444), (1861, 5180), (2590, 3722)]