28970260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 68181120

約数和(自身を除く): 39210860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3559, 4070, 7118, 8140, 14236, 17795, 35590, 39149, 71180, 78298, 131683, 156596, 195745, 263366, 391490, 526732, 658415, 782980, 1316830, 1448513, 2633660, 2897026, 5794052, 7242565, 14485130, 28970260]

約数ペア:

[(1, 28970260), (2, 14485130), (4, 7242565), (5, 5794052), (10, 2897026), (11, 2633660), (20, 1448513), (22, 1316830), (37, 782980), (44, 658415), (55, 526732), (74, 391490), (110, 263366), (148, 195745), (185, 156596), (220, 131683), (370, 78298), (407, 71180), (740, 39149), (814, 35590), (1628, 17795), (2035, 14236), (3559, 8140), (4070, 7118)]