38823820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4139}}^1$

素因数の和:4222

約数の個数: 48

約数和(自身を含む): 94590720

約数和(自身を除く): 55766900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4139, 4690, 8278, 9380, 16556, 20695, 28973, 41390, 57946, 82780, 115892, 144865, 277313, 289730, 554626, 579460, 1109252, 1386565, 1941191, 2773130, 3882382, 5546260, 7764764, 9705955, 19411910, 38823820]

約数ペア:

[(1, 38823820), (2, 19411910), (4, 9705955), (5, 7764764), (7, 5546260), (10, 3882382), (14, 2773130), (20, 1941191), (28, 1386565), (35, 1109252), (67, 579460), (70, 554626), (134, 289730), (140, 277313), (268, 144865), (335, 115892), (469, 82780), (670, 57946), (938, 41390), (1340, 28973), (1876, 20695), (2345, 16556), (4139, 9380), (4690, 8278)]