2043140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2783164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 251, 370, 407, 502, 740, 814, 1004, 1255, 1628, 2035, 2510, 2761, 4070, 5020, 5522, 8140, 9287, 11044, 13805, 18574, 27610, 37148, 46435, 55220, 92870, 102157, 185740, 204314, 408628, 510785, 1021570, 2043140]

約数ペア:

[(1, 2043140), (2, 1021570), (4, 510785), (5, 408628), (10, 204314), (11, 185740), (20, 102157), (22, 92870), (37, 55220), (44, 46435), (55, 37148), (74, 27610), (110, 18574), (148, 13805), (185, 11044), (220, 9287), (251, 8140), (370, 5522), (407, 5020), (502, 4070), (740, 2761), (814, 2510), (1004, 2035), (1255, 1628)]