2607640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 6854400

約数和(自身を除く): 4246760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 139, 140, 268, 278, 280, 335, 469, 536, 556, 670, 695, 938, 973, 1112, 1340, 1390, 1876, 1946, 2345, 2680, 2780, 3752, 3892, 4690, 4865, 5560, 7784, 9313, 9380, 9730, 18626, 18760, 19460, 37252, 38920, 46565, 65191, 74504, 93130, 130382, 186260, 260764, 325955, 372520, 521528, 651910, 1303820, 2607640]

約数ペア:

[(1, 2607640), (2, 1303820), (4, 651910), (5, 521528), (7, 372520), (8, 325955), (10, 260764), (14, 186260), (20, 130382), (28, 93130), (35, 74504), (40, 65191), (56, 46565), (67, 38920), (70, 37252), (134, 19460), (139, 18760), (140, 18626), (268, 9730), (278, 9380), (280, 9313), (335, 7784), (469, 5560), (536, 4865), (556, 4690), (670, 3892), (695, 3752), (938, 2780), (973, 2680), (1112, 2345), (1340, 1946), (1390, 1876)]